Understanding The Slant Six
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- Опубліковано 30 чер 2024
- A look deep inside one of history's most enigmatic engines.
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Raise your hand if you could sit in the garage, drinking beer and talking cars all day with this dude!!
All day everyday. But I probably just nake Tony tired of all the questions about I should do with my car😅
\o yep!
I better stick to coffee, what he says is important stuff...
Can't do the Beer part, but talking MOPAR all day, yeah, I could do that. And i raised my hand, too.
🖐
“ done every kind of racing”. “Built this slant to learn”. That’s the attitude I admire.
I bought a used Dodge van with a slant 225 used. I ran it for years and customized the van. later on after the engine had 700K miles on it one rod bearing started clicking and it was a spun bearing, (but) I had to drive it 50 miles back home with the spun bearing and made it no problem 2 in the morning from the beach with a load of people in the van. Next day drove it from home to my shop. Ripped out the engine and started the rebuild. Van is still running to this day and this was 20 plus years ago.
When I was in college, my girlfriend had an A100 van with a slant six / three on the tree setup. We drove home one long weekend - about 300 miles or so - and when we got home the engine started knocking. We put it up on blocks, dropped the oil pan, changed out all the bearings, put the pan back, filled it up with oil and drove it back to college on Sunday. We kept in touch after college, and she kept the van and has given it to her son. It now has about 800,000 miles on it and it is still going strong with the bearings we put in it back in 1982.
I love these engines and my interest was kickstarted when I saw the Torqstorm supercharger ad. I see an old Dodge truck in my future - powered by a leaning tower of power...
@@timp21117 I had a ‘64 A100 cargo van. Bare bones plain Jane. No windows. Three speed manual/slant six. Bias ply tires. Vertical clutch and brake pedal. So much fun. It would get stuck on level ground with any rain at all. Snow driving was interesting. Great memories of my junior college years.
Working up north out of a camp, we had a camp generator powered by a slant six mounted in a trailer. It provided power to the entire camp. A new fresh faced company bozo seen it and said its too old and needs to be replaced. A brand new Japanese Izuzu diesel gen pack showed up and was switched into power the camp. Nothing but trouble. Big time! When its 35 below zero and your power fails it becomes very serious really quick. So we brought out the old slant six setup and reconnected it. Ran like a charm. We took that new gen set and parked with all the old junk!
@Russ Gallagher you can run a diesel generator in -40 we do it all the time in Canada but you need winter diesel . But his right about the slant 6 being reliable , in remote areas it's best to keep things as simple and easy to self serving as possible
Send that isuzu diesel back to china. Lol
@@gulfy09 it's never been to China. Isuzu is Japanese!
@@jeffcard3623 had a holden rodeo 4wd ute- a rebadged isuzu- made in thailand. Wouldn't be surprised at all if the generators are chinese as many japanese brands build in numerous countries, china included
@@rossbrumby1957 anything can be made anywhere I suppose. Which is the American car when a Chevy can come from China, a Ford from Mexico, but a Honda Civic is made in Ohio?
It's so nice to hear somebody talk about something for 30 minutes.
Uninterrupted, consecutive thought, without commercials.
Our society, our culture is so fractured, non sequitur..
I love the way you hold the train of thought. It's fucking refreshing.
@Dan The Man *Sarah McLaughlin commercial*
Fratzog !
I bet he could talk about mopars in general for 30 days straight
It's the flicker rate. When I was a kid they outlawed the subliminal clip. Now there's just so much of it in a row. Half the nation's on antidepressants. The other halfs on painkillers. The mentality of the slave is one of resentment, that is depressing. Then to keep us in the trenches, working longer days for less money, they have pain pills.
Those are the slave pills.
Save the man. The man is the only thing that's worth a damn.
Subscribe to Uncle Tony's Garage.
Hit the "LIKE" icon. You can tell when you're around somebody who's free because they make you feel good. UTG makes me feel good. Freedom feels good.
@@oldmanuncle1237 It's not just Mopar.
It's chemistry and physics and thermodynamics, and fluid dynamics. This is true mechanics.
This stuff applies to every motor.
This is who, what, where, when, why, and how. This information and iron is what the American culture was built on. The Industrial Revolution, interchangeable parts, the lever and the crank. The Piston which is a captured bullet. This is Aristotle, Boyle's gas law, Pascal's Law, and Harry Franklin Vicar the father of industrial hydraulics. This is a is a cultural history class as well. Tony's explaining stuff to you in a way that is easily to understand. Kids these days need this. They've been kept stupid.
A real bare-knuckles approach.
How many people can tell you about this. Hey what about this?
I dig it! Dig it good.
This man teaches physics and thermodynamics in such a way as you don’t realize you’re learning physics and thermodynamics. KUDOS!
@@daveponder2754 jealous, much?
Get over yourself, you'll be happier.
I suspect he has an engineering degree. or something really close to it. It is his knowledge, style of delivery, and organization. Too bad you can't clone him and stick him in every classroom.
Uncle T is one of the few people you can just feel their hearts come alive when he talks about what he knows and loves. When this man passes, the amount of central knowledge that will be lost will be vast and invaluable.
I bet... I dont know. Just guessing. But maybe others knew this. And encouraged tony to make a youtube channel. Either way his knowledge is being saved for all to hear now !
As a retired career auto tech today I recall what we said back in the 60's - come the end of the world there will be two things left , cock roaches and slant 6's . The 170 or the 225 C.I. .
@War Zone looked into that - you are correct . never knew or ran across a single one in the hundreds of 170's & 225's I've had hands on . thanks
I had a 65 Dart GT that broke down on me once, correction it still run but had a bad miss, come to find out the rocker arm adjustment came loose and the push rod fell out and down in that opening above the cam. 15min and my dad had it running fine for me again.
And the slant six WILL use the cockroaches as fuel !!!!!
@@robertholderman7552 No . But if the democrats get their way anyone less than the top 1 % will have to rely on cockroaches for food .
@@rick-kx7gy I was just joking!!
LoL ..
I agree … if there’s anyone left alive… then they will have to eat roaches
"The Bore is the FireCracker, the Stroke is the size of the MailBox youre trying to blow up" *One of the best analogies i have ever heard*
He explain all with a pasion not less. That how a teacher vocation it. All my respects. Hope one day i can shake his hand.
For a minute I was thinking " have I hung out with him ?" He knows about the mailboxes
Meaningless, explains nothing.
@@victorylibrary9597 What??? It explains it perfectly! Look up Pasqual's Theory.
@@rickybobby7752 I'm all about that Pasquale's Triangle with some great pepperoni, onions, mushrooms and a load of mozzarella on it, OH yeah. Oh, and Tony is the last word, in my opinion.
I spent four years going to college for mechanical engineering and I learn more from your vids than I ever learned in the classroom. Thank you sir!
The university of hard knocks is an education that cannot be paid for in a monetary sense.
Take care Devin
Legend has it, U.T. has never actually smoked a whole cigarette.
his lighter ran out or lost.
I heard that it is the same one in every episode
It's just a balancing prop!
Does any working man
Never throw them on the ground.In my w/shop I put them on top of some thing.
That way when I ran out I had at least a days worth of smoking.
Most were only half done.
*This guy is bright, I mean MENSA bright. You can feel him visualize the motor. He see's HP. It all comes so naturally and that my friends is a TRUE GIFT!*
'Sonic pulse', 'offset pistons'. This veteran mechanic is in awe of your class. Good on you, sir.
This is genius. . Anyone want to second the motion that Petes new internet handle should be something like S/ant6 Yoda .... The intricate details are so important in motors... I'm a Mopar guy by birth , and slant 6 enthusiast since I was old enough to understand what it was and wasn't compared to other motors Mopar or otherwise . Fond memories of us pulling out buried Jeep's 4x4s and even a dumptruck with backhoe loaded trailer once ..on so many occasions that thing proved to a naive horsepower thirsty teenager the importance of having the right balance of low gearing , enough power... with emphasis on low/mid range tourque ... And the traction to convert it into forward motion with little fanfare for what seemed like not enough truck according to every stuck to the frame rails desperate fool or peanut gallery co driver or bystanders who's shiny piece of shit was on the other end of the tightened strap also buried in the failed attempt at rescuing his buddy.. dad pulled them out.. often like it wasn't even trying... It was almost like a low buck American unimog The old mans plain white standard cab short bed 76? 78? Slant 6, Power wagon (weird right?) .. 727 tf with full time tcase ( had that - hi /hi loc/ neutral/ low/low loc- 5 position selector lever... (np249?) Pretty sure they had a center locking diff , 272:1 low range ? And maybe lower than usual axle gearing but I may be mixing spec's up with the myriad of other Dodge trucks that my dad had... I digress ... That was a hell of a truck.. I think we determined it could do 85 maybe 90 tops .. puking it's guts out with a breeze pushing .. definitely liked the 60 /65 cruise speed , and ride quality was agricultural at best... Underwhelming but damn I would love to have something as close to that truck as I could find right now and I would never part with it..
Enough about my Mopar delusions .. what I love about this video is the obvious deep understanding and yet easy to grasp explanations of the little things like combustion chamber architecture to swirl or squish the mixture at tdc for optimal burn, exhaust manifolds tuned for ideal scavenging , intake runners tailored to provide a positive pressure pulse in relation to valve timing... This is the ingenious shit only a few guys dig into to really understand, to unlock the why and how engineers did something that way .. to recognize it , realize what they had to work through... and maybe add that little bit of extra they didn't think of ... Heavy duty science happening way before cad , obd , and all the modern technology like variable valve timing, variable length intake runners ,gated plenums, EFI direct injection and all that amazing shit we pretty much accept as mundane on motors today. ..
@@funshootin1 Many thanks for the kind comments. I was more of an air cooled guy, but ICE science is all good.
had few darts n sweet shorty dodge snub-nosed van,i hotrodded the van was one heck fun ride w short wheel base..great vid..they make good swamp pump motors too.
I've learned more from this video regarding the slant six than I have any place else, thanks Tony!
We always called them the "side hill hemi". Lol
For sure... Thank you.. Iv been thinking about building a six cylinder for a rat project im building. But after seeing this. Thinking i may do alittle more research on the slant six idea.. Agean thank you..
I learned more in a half hour of UT and the Slant 6 than I ever would have known, and having 2 vehicles with 225 Slant 6 engines, this video is gold!!! Thank you Uncle Tony!
I learned a lot about the slant 6, great job. I had a number of slants from 1965 to 1969, the best? A 1967 D-600 with a 4 speed+2. Bulletproof.
THANK YOU - As an average driver you were babbling in a language I couldn't comprehend, then suddenly around 10 minutes in, a light bulb went off and I got it. I watched this three times and each time I learned something else. THANK YOU.
One of the reasons it's hard to tune a Slant-6 properly is the fact that it uses three drastically different intake runner lengths. Looking down on the intake from above, you can see that the middle ones are much shorter than the outer ones, which not only makes it difficult to keep the mixture ratio the same for all of them, but remember how he mentioned the concept of sonic pulses? By altering the intake runner length, you can change the rpm at which the engine makes maximum torque. the shorter the runner, the higher the rpm where it makes maximum torque. The longer, the lower the rpm.
The issue is that when you change the runner length, that typically affects carburetor tuning. Which is normally not a big problem. You change jetting and a few other parameters, and you're good. The problem is that you can't optimize carburetion for three different intake runner lengths.
And, to make matters worse, the cylinders are making maximum torque at three different rpm's, which could have other implications, such as camshaft selection. Since you typically match cam specs to the engine's torque band, it's likely that the variation in intake runner length is going to make optimizing cam and carburetion specs to all cylinders impossible.
The fact is that the Slant 6 is a compromised engine from a performance standpoint. You can spend a butt-load of money to make one put out 325 HP. Or, you can spend a fraction of that on making a 318, 340, or 360 V8 put out a lot more. And, it's heavy as Hell, weighing almost as much as a small block V8. And being longer, it shifts the weight a bit farther forward over the front wheels, which hurts traction and handling a bit.
The point is that there are a lot of good reasons why the Slant 6 isn't often hot-rodded. Its claim to fame is its virtual indestructibility, not its power. And this guy Tony's excellent video does the best job I've ever seen of explaining what a Slant 6 is and isn't.
My dad always loved the Slant 6 but I never understood why. This video gives me some insight. Thank you.
Better explanation of what happens in an intake runner:
A) Intake valve opens. Exhaust back-flows a bit into intake port. It's why they are black up the port a bit. The higher the RPM, the less the back-flow
B) Air piled up like a compressed accordian fights back and pushes into the port and cylinder.
C) Intake valve slams shut, but lo, the intake mixture is still coming down the tunnel like a football team running through the stadium tunnel to get to the field, but having a door suddenly slammed in their faces.
D) The intake mixture slams into the back of the intake valve, suspended gasoline droplets in suspension bail and keep traveling forward and start heading through the air towards the intake valve, the bigger, the faster
E) A pile of pressurized air gets squashed, accordion-like, against the back of the intake valve. it starts to bounce back up the intake port and runner backwards. Pressure builds up, and depending on length of intake runner (longer takes longer, shorter takes less) the pressure bounces backwards towards plenum.
F) is back to A)
The "negative pressure wave" is over-emphasized. The positive pressure by the suddenly-stalled air all piling up at the intake valve is what makes over-100-percent volumetric efficiency possible. Which RPM you tune for will be the RPM at which the best balance of runner length (intake and exhaust), cross-section, and cam timing allow the pressure to be at the best peak for rushing into the cylinder upon intake valve opening.
The longer the runner, the better it is for low RPM, as the carb experiences less of the reversion, and instead of bouncing back quickly into a mass of air that is not moving so fast in the plenum, the air bouncing back is opposed by the other air still heading in that direction from the longer runner.
AT higher RPM, the time between open, inhale, move, slam shut, air rebound back, and then open and inhale again is shorter so the long runners are not necessary for maximum power. The highest pressure in the intake system is when the valve slams shut and the air moving at top speed is all train-wrecked against it.
We had the slants in our small JG tow tractor in the Navy and the industrial 302 in the bigger tow tractors..In the first year we changed out 5 of the 302 and none of the slants .One of my buddies had a Dart he tinkered with that thing for months trying to get it to run rite ..finally i came in from Internal Combustion Engine School threw a hotter plug and wires stole a electronic ignitiion and brain box from a tow tractor and that old Dart blew the rust out of the tailpipe and ran even better when the muffler finally fell off ...
Run it like you stole it. It works, I guess.
Worked at Chrysler Trenton Engine from 68-71. Machined thousands of those heads. Also worked in the manifold assembly area.
Would you have happened to be involved with the destruction (or production) of the 100 factory made aluminum heads of which 3 survived?
@@JRhatesyou No. Never saw one. The only aluminum parts I ever saw was a intake manifold.
@@judythomas2939 Started as a conveyor loader, loading 6 cyl heads from the foundry. Moved to broach operator, 1st machining operation for these heads. Nearly shredded in the broach by a new foreman who tried to start the machine while I was changing the tooling. Did not end well for him. Later moved down the line to a final machining operation running 13 multiple spindle machines, 3 probe stations all running off a central control board. Nearly lost both hands in a improperly wired transfer bar that started even though line was shut off. Safety came second to production. Also worked as a vacation replacement machining hemi heads and hemi rods. We did not assemble hemi engines there, just machined parts. Later I was transferred to 6 cyl manifolds and bearing caps. Worked all the stations there. When a department was shut down we could be loaned out to other areas. Worked in shipping, on the motor line, crankshafts. Met some really nice people there, all races and backgrounds. Also some real losers. All in all a real experience for a guy right out of high school.
@@garycb8592 if you worked on my cars drivetrain thank you as i fell in love with it first 1Q of 1969 383-G code dodge charger ( sub 70k miles ) you guys ( people before my time aka 80-90s kid ) did an asome job. to bad someone missed it up so i will have to replace it now
Congratulations Gary. Did you want a door prize or something?
This was SUPER helpful. Just recently bought a '64 Plymouth Valiant and she needs a little more than a spit-shine. She's pretty much a total restore, but I also wanted to make some upgrades for performance purposes. (I have this terrible habit of going too fast...lol) This is my first slant 6, and I also bought her for the sake of learning! Lol Will probably be coming back to this again and again for reference.
Thanks this is a really informative video. My first car was a 69 Dart with the 225 and the Torqueflite automatic. And I would definitely agree that once you got the RPMs rolling it would really wake up. But I also had some really good low end results, to the point that it would smoke the tires from a standstill, and no power braking. It was never going to be a speed demon, but nobody ever believed that it was a bone-stock 225 slant. Not only was that motor completely and totally bulletproof, and I so wish I had that Forest Green baby back today, but that's for another day, that transmission was just about as bulletproof as the motor. I'll be watching your channel a bunch more. Looking forward to whatever you're going to do next.
I’ve got a 225 in a farm implement, it’s ran perfectly for over 40 years. 👍🏻
It uses a lot of gas at high RPM but they are tough.
Randy Kroells, Mine never sees high rpm...
the slant 6 225 is the most durable production vehicle motor ever built, and that isnt just my opinion
John Deere 800 swather? Or a Hesston 6450?
farmerboybill, Hesston 6400...
Totally agree on the engine's durability. The 225 was like the AK-47, plus its self greasing.
My Dad always owned Chrysler Slant sixs when I was growing up. I remember them all, First car was a 1951 Chrysler Windsor with a flat head six. Then a 1967 Valiant 170, 1968 Wagon 198, and a 1975 Duster with a 225. All were great great durable cars.
Wow you explain in a way I can understand. You should have been a teacher. Brilliant video thank you 👍
I agree !!
Most instructors/shop teachers couldn't hold a candle to uncle Tony !!
He is an educator and top-notch.
Nice! Thank you for the quick & dirty engineering lesson Uncle Tony! You have certainly done your homework! Love Your Videos! Keep tuning and explaining the process and reasoning!
I would stake my life on these engines, they're like Keith Richards - cannot be destroyed by conventional methods!!!
And I'm a Chevy man!
Painkiller Jones I’m a Chevy man and I just recently was gifted a 1970 dart custom and it’s so nice to drive
Lol. They are great examples of engineering
@War Zone You know, I'm a Mopar guy through and through, but I don't hate on the other American Makes.
Had one back in the 70s I even ran it with no oil and still ran for weeks with no significant damage…
I worked summers and weekends at a place called Butch's Sunoco pumping gas, helping around the shop and eventually driving the old wrecker. Butch used to take care of the yellow cab co cars and even in the late 90's they had a bunch of Dodge Diplomats and most of them had the Slant 6. Most of them had over 300k of city traffic and some had over 500k although by then they pretty much all had work done. Being young and stupid I quickly found out why nobody wanted to run the wrecker the first time one of his dodges snapped a torsion bar in the middle of a intersection. Needless to say my training consisted of Butch telling me a thing or 2 about the Holmes back between his second or third beer and his wife Betsy who was a Angel telling me to stay safe. It took a while but I managed getting it hooked and dragged back to the shop in time for Butch to tell me I was the new driver. We only did a few tows a week so I didn't mind up until one of the cab drivers fell asleep and drove off into the salt marsh.it had to be a good 200 ft off of the road in marsh mud. I don't know how other than probably doing everything wrong. But I got it out and back to the shop where I fell asleep in the truck for a bit until Betsy found me and sent me home. I was covered in Stank march mud past my knees. Betsy being a mom feared what mine would think about sending a 17 year old kid out at 3 am to pull a taxi from the mud. She took me aside and hosed me down before giving me a pair of uniform pants. I could tell so many stories about that place, it was like a big dysfunctional family and he was one of the last independent garage/gas stations around. But if you worked hard he paid you for it, if you needed something, he made sure it was taken care of and come Christmas there was a VERY generous envelope waiting for you with your name on it. I couldn't have asked for a better summer and weekend job and it's a shame theres nothing like it for kids these days. Although with some of these wankers thin skin and lazy attitudes they wouldn't last a day.
They wouldn't last a day.
They wouldn’t last a day.
SouthJerseySound, Great story! It takes me back.
There are still jobs like these, but hard to find. Not as many for sure. I worked a small farm/ ranch for a old man that just needed an extra pair of hands. He taught me a lot. Called me his ranch foreman. Lol I learned to do things I'll never use again, but it taught me that I'm not too good to do any job that's necessary. I'm trying to bring my kids up like I was. Working, learning, and having fun doing it. Hard work has it's rewards.
No, they would not work an entire day at it doing anything.....I've watched them on the job and mostly they stop and sit around eyes glued to their cell phones thumbs flying a hundred miles and hour sending and receiving messages to other worthless young ones disregarding paying attention to their jobs as well. If ya gotta hire help hire a retired person. They have years of work history and are appreciative of the opportunity to make some money and not sit at home all day like the young ones wish they could.
Excellent video, Uncle Tony! I grew up around these engines, anytime I hear one running (or struggling to start), it makes me smile :)
I had a mildly built 170 in my 64 Dart. Not only was it a sweet little sleeper but was also bullet proof!!
@12:21....The BEST explanation of timing I have ever heard. I'm gonna have my son watch this video just for that reason.😁
And his hopefully gear head friends, also share your knowledge will the younger generation. Any red blooded male will love a ride in a glass pack anything.Cars are so amazing ...
Not at 12:21
On two separate occasions friends of mine and myself tried blowing up slant six engines, the first time we drained the oil and were doing neutral slams around the neighborhood in a 75 Dart but a u-joint snapped first, second attempt we hung one from a tree and rigged it up with a gas can with a gallon and a half of gas in it and stood there drinking beer while the throttle was wide open with no oil or coolant hanging there, my buddies dad came home during the attempt and just walked past us shaking his head saying "You boys need help", it ran out of gas before it blew.
I spent some years at a particular garage as the principal engine rebuilder, between that place and other garages I've worked at I've been inside a lot of engines (back in the day) and I've NEVER seen the inside of a slant six engine, those things are without a doubt the toughest gasoline engines ever made for cars, motorcycles or anything else you can name.
Well, at least you’re willing to brag about how stupid you were.
Obviously in-depth and knowledgeable, but most refreshing is to hear someone explaining these concepts clearly using complete sentences in the English language.
And yes, I’ve had a fascination with the slant ever since our family’s new 1963 Valiant wagon with the 170 and that lovely push button transmission.
I had a 225 with 3 on the tree. Never had to tear it down. It was all about timing, dwell, valve adjustment and fuel flow.
Yep, same here. Mine was a 1970 Duster. First gear wasn't synchronized, but the slant 6's torque, combined with a slight bit of clitch riding, always kept the car moving. I later bought a 1974 Duster that was a 360/4-speed car. Like an IDIOT, I eventually sold both of them.
Uncle Tony's Garage..........A thing of beauty! I actually found an Aluminum 6 block years ago and walked out of the boneyard with it under my arm! The looks i got were priceless!!!!!! Lol
The aluminum 225's were in the 62' Lancer GT. Had one back then. Whole car was 2800 lb.
368 thousand on my 85 slant 6 4-speed D100 ..STILL RUNNING GREAT
I had a '72 D100 with a slant 6 with a 4 speed. put 435,000 miles on it! That truck ran forever. Kept maintenance on it, it NEVER gave me any problems.
3.23 or 3.21 is perfect for the 833od on the highway
I had a 68 Dodge Dart sports special. I always loved the slant motor. Mine had the B model, which if memory serves had 145 HP stock. The 318 that was available that year was 150 HP stock.
In 64, my parents bought a 64 and a 1/2 year Plymouth barracuda, with a slant 6 in it to 25 and we put a lot of miles on it with very reliable. My parents enjoyed the car but it came a time to replace it so when they did so I inherited the car. I had it for a long time. I did a lot of interior work on it. And I took the engine out 2 or 3 times with a friend of mine and we did lot of machine work on it. I got got it at that time and it was a car and an engine that I learned a lot from and so that's my connection with the slant six engine at that time
I've learned more from Uncle Tony in one video than I've learned in 18 months from Lincoln tech. I'm subscribing. Love from Philly bro
I love learning stuff from the old school guys. Great video brother thank you
This is awesome. I remember many decades ago in mechanic school learning what volumetric efficiency was. Now I'm learning the physical dynamics of the whole thing!
Fantastic video. I always remember hearing about the legendary reliability of this engines. It’s great the way you explained the engineering and thought behind it.
Chrysler 225 van first car. Great work vehicle. Thanks for the video.
You are really displaying your knowledge of engine flow management and the history of engine development. I think this is your best video yet. Please keep them coming.
One of my first vehicles was a 1974 Dodge van that started life as a telephone company vehicle, that later someone made into a conversion van, all paneled and tricked out with an ice box, you know Tony, you would have loved it! That van had a slant six with a three speed floor shift transmission. It was a blast to drive! I remember over revving it a bit once, and it bent a couple of push rods. The mechanic threw a couple new ones in and away we went! Awesome!
Tony, You are the best of the best. You educate so effectively, effortlessly, and interesting that we are captivated to learn! I remembered my 63 push button 330. It sounded like a Singer sewing machine when it idled. Thanks again Tony. God bless you and you family!
That has got to be the world's longest running cigarette. Damn thing stayed lit for over 30 minutes!
So THATS what's wrong at the end. I knew something wasn't right...no smoke.
I don't think he can talk without a cigarette LOL
the slant cigarettes last forever. Great video and channel, so relaxed and informative.
Arthur Sperotto f in hahaha I noticed the same thing
This Guy is so cool veteran,long hair little buzzed. Hat on backwards, cigarette ,t shirt maybe high rent area of rialto ca my man!!
The lack of pretentiousness combined with the wealth of knowledge is so bloody endearing. I hope your channel keeps growing so we can experience more of this. Cheers
These videos of yours are so amazing and refreshing. So much knowledge in an unedited way. You know your stuff man, legit as hell and respect the hell out of that.
Thank you Tony, great info and clear explanations.
We used these in agriculture, I only remember one quiting. The rest shut em off in the fall, come back in the spring and they always fired up... even in poor operating environments.
Ok, crazy comment. In 1973 my grandfather bought the first brand new car he had ever owned. A gold Plymouth Duster. I have no idea what kind of performance it had, but 46 years on it doesn't matter. It was a brand new car. And more importantly to my grandfather, it was the first new car he ever owned. It had a slant 6. And God love him, that's all I heard about. The slant 6!
You're the man Pup! Always thinking of you.
yup, i'm a child of the 1960's :p Chrysler had the best engineering back then! Torque flight transmissions, slants six would run forever.
Great video and excellent information.
I love the slant six. Back in the mid 70's I had some buddies into Mopar. The oldest brother had a 68 Belvedere with a 225 in it... The guy was getting mid 15's out of it! And he wasn't done...
The two slightly younger brothers had a 66 Baracuda with a 273 Commando engine backed with a 4 SPD. Power shifting from first to second was like stepping off a roof but it held its own really well.
I hope you keep these videos up as long as you can walk. You are helping preserve the affordable hobby the way it was supposed to be. 👍
Super interesting info, stuff I have never thought about in these old slant 6 engines! Thanks for sharing your in depth knowledge!
Had a 198 /6 Duster that had over 350,000 miles on the engine when I sold it.... it was Slow & Reliable
"The bore is the firecracker and the stroke is the mailbox you're trying to blow up" - Genius explanation. Great video.
Man. One of the most informative videos I've seen on here in ages. Don't even own a slant6 just was concepting the idea of running another L6 in slant config for compactibility purposes and there are so many good viewpoings from your discussion. Thanks for the video!
Thanks for the great video! Memories of the slant 6 from the early 70's.
1. Kids from auto shop tried to blow up a 60 valiant in school parking lot by holding throttle wide open in neutral, lots of smoke and noise but would not die!
2. An elderly deaf lady was well known around our town in her red 67 dart. Was a 3 speed stick and slant 6. She used 2nd gear only, legendary clouds of clutch stink when she left a stop sign and roaring down the highway!
3. First car I owned was a 66 valiant with 3 speed and slant 6. Shift on column was worn out so I added a floor shift. It was low geared, with so much torque I could easily start out in 3rd.
I have a 66 Valiant with a factory 273. When people see it the first thing they say, what's it have in it, a slant 6? When I say no ifs a 273 they actually seem disappointed that its a V8
This is a Very Informative Video either Beginners or Familiar gearheads, Thanks, Uncle Tony!
Before this I knew nothing about them.
Learn something everyday. Back around 1969 or 1970 a buddy had a 64 Plymouth Valiant with the Slant. We used to bust his balls about it, but it was always good for a ride from Jersey to Staten Island. Thanks again uncle Tony!
Man Im so amazed at the explanation of the varied sizes of the runners to widen the range of pulse to the intake valve - Thanks for all the insider info from your years of experience explained in layman's terms
Every gearhead wishes he had an uncle that would take the time to share and care as Uncle Tony does! ❤👍
OMG so wanna see this guy appear on RoadKill Garage with Steve Dulcich.....Epic build would be sure to ensue
I thought the same thing. This must happen.
@port nut they'd probably build a v12 with two of them lol
Dulcich is a hack
Like the man says...That very undersquare ratio makes for great economy, torque, drivability and long life
@James Michael Worked for Honda
The under square design was the reason the slant 6 was able to meet emissions til 87.
@port nut No . . It's UNDER square. ; ) Ha ha
Honda Gang.
D-Series
S ❤️ H C
wow what a great lesson on the slant 6,,. growing up we had a 1978 dodge family van with the slant 6 ,, my step dad put a 4 barrel and dual exhaust on it and i remember that pulsing sound.
I really appreciate how Tony explains everything. I never knew anything about the slant 6's but they remind me of the 1970's and 80's BMW inline 6's. Something about the online 6's, they tend to last a long time. My first car was an 1982 5 series BMW W/a 2.7L engine, I drove it for 11 years. It had 387K miles when I sold it (it's still on the road today). I hit the rev limiter (6800 rpm) every chance I got, it always asked for more. The only thing special I did to maintain it was change the oil and adjust the valves every 3k miles.
A friend of mine had a 1963 Valiant. He beat that thing mercilessly. Never had a problem.
I beat several mercilessly, only way to hurt one, is to run too low on oil.
I remember old slant sixes. People used to say they run forever. They didn’t make enough power to hurt themselves
"...They didn’t make enough power to hurt themselves..."
I was told the same about the SBC 305. 😂(BTW, I'm a GM guy).
I knew a couple guys who were given variants with slant sixes and they tried to blow them up. One guy succeeded when he punched a hole in the oil pan and was trying like hell to baby it out of the desert. He made to the main road where he hitched a ride home. The other guy revved the hell out of it and it took weeks to break it. They were hard to kill!
In 88 I bought a dart with air shocks ,cragers and slicks, that had no motor and a 3 speed floor shift,girlfriends dad had a old dodge truck sitting and sold me the motor for $100 pulled it and compression checked and it was good,spent the time and dropped it in and it was cool looking and felt great, drove it two days and on the second day 6 miles from home the ticking started and kept getting louder and louder, it was dark out and I'm just trying to get home and now it's banging like ona zee, I'm about a mile from home and bam bam bam boom the piston shot out the block and as I pushed in the clutch to coast I hear the piston bouncing around under the body and look in the rear view to see the glowing red piston bouncing. It was a 17 year olds first heart break,lol. It had the black leather interior,buckets, it looked like a typical 80s Midwest high school kids hot rod.
Genius might be the wrong word. Its made that way do it fits the head
Been rebuilding engines for 50yrs
Only did 2 slant 6's . never did a chevette.both of the slant 6's were owner caused
I'd love to meet this guy, he's old school and very well learned. I love old cars and I wish I could've grown up in the 60's and 70's with bad ass cars, but my goal is to find a restoration school, but nobody could teach hands on like this dude. Rock on man
This presentation is hands down one of the most informative engine videos I have ever seen. Thank you! I learned many interesting things. This coming from a Turbo 4 Saab (formerly Ford small block) motorhead. Hats off my friend. Wish you much success in your future endeavors.
Uncle Tony is giving us some nutrient rich brain food! Videos like this deserve a couple of views just to pick up everything he's dropping. Much of what he's explaining goes well beyond just the slant 6.
And cheers to whoever is behind the camera! Thanks for helping to bring us this knowledge!
Never thought I'd spent 33 minutes learning about the lowly Slant 6...
Ive just had my straight 6 225 Valiant Signet opened up and overhauled by an old mechanic, great videos to learn about these motors, thanks
One of my all time favorite engines with details being decoded by my all time favorite engine expert!
Had a 72 Dodge Demon with the 225 slant 6 - couldn't kill it. Great engine!
Down here in New Zealand we got them in the Aussie Valiants.
It was a special motor then and now at 52 I know why. Cheers mate.
f dx 👍My first Baby, 68 VE😉
same as in australia but im wondering did america get the 265 slant 6 that we got down here
@@sir3085ltr 265 slant???
E H Avaiam yeah in australia the vialants came out with 3 options 225,245 and 265 slant 6
@@sir3085ltr 24 and 26 weren't Slants...???only the 225
I love his Dart, something about it is just fundamental and cool.... nothing too flashy just a good optimized tool. Essentially a car is a tool and you customize to your likes/personality.
learned allot here. I have a 65 dart with the 170 and a 70 dart with a 225 both in mothballs with plans on what to do with them. I have a running 84 D100 truck with a 225 that gets me to work. Didn't know that's a better block and crankshaft than the older 225.
I learned everything about hot rodding in my youth from brilliant old hot rodders like you. EXCELLENT VIDEO. Thanks!
Thank you for that. I've been a Mopar person since my dad purchased a Corey Cruiser, 1969 factory 318, 1970 conversion van. And have had a charger, duster, coronet and dart throughout the years. Look forward to learning more from your channel, as I just purchased an 85 D100 Custom, slant 6 w/4 speed.
My first car was a 1978 Plymouth with the slant six. We put almost 300 thousand miles on it and never let us down. We junked the car but the mechanic took the engine out and used it in another car for another few years.
my grandpappy had a 66 Valiant with the slant 6 and three on the tree. it was peppy going into second but really hit a wall after that. seeing this about the intake design brought those memories back. nostalgic. thanks!!
I have never even wrenched on one of these engines but this is an awesome video to watch. This man is a guru. His enthusiasm is great.
First. I'm a diehard GM guy. Started with a 225 Buick V6 Odd Fire that in the end, had over 400K on it and never had the heads off and since the early 1980's, there's always been a GM motor powering my vehicles. But...I've seen 600+K mile Slant 6's with the same reliability if not better. I like the Slant 6 for its oddity, and its pure reliability stand point. Your in depth look into WHY it's reliable, why it's a good platform to learn on and generally, it's simplistic looks with heaps of engineering behind it is what makes it such a great engine. Thanks for diving into the meat and potatoes of the venerable Slant 6 Tony. Cheers! Zip~
This guy a font of knowledge. Gotta love the lit cig during the 'lecture'. I enjoy this channel.
Thanks Uncle Tony! This was one of he most informative and entertaining engine videos I have ever watched. Your explanation about rod geometries and head flow are great information, usually left out elsewhere. I miss the slant 6 in my wife's '75 Dart. No problems. And so quiet you'd think the engine had stalled,
Whenever I see a 3 or 4 A.M. (EST) notification I know that Uncle Tony is sending one out. Slant 6 101 this morning. Got my stickers this week 👍 Thanks Tony. ☮️
I drove my Slant 6 powered Dart Swinger all through school, and into my Twenties, my brother has owned it for 20 years and still chugs along. And I was Never kind to it.. lol
I was noticing a trend with timing curves in fuel injected commuter cars i didnt understand until this video. The bit where you are talking about timing with this engine makes sense for all engines using this same oversquare design. Like my little toyota would go from 45° advance while cruising to like 9 under WOT because the engine is a oversquare design.
Great video tony, and thanks for explaining it!
what a great breakdown of this engine. I miss my 225/d150 so much. mine apparently had only been operating on 5 cyl the entire time i owned. kid i gave it to drove it at about 65-70 for 30min in 2nd gear down interstate-5 and blew out the block....kept running....until he shut it off. then wouldn't start. the legends are true. badass engine! loved listening to you in this vid. felt like i got a college education on this motor.
I trust any body explaining hot rodding with a smoke in hand;) fantastic thank you.
@Nick B negative comments are also toxic. And like smoking there are more options. Try: Being quick to listen and slow to speak, Shutting your pie hole, keeping opinions to ones self, in short if you dont have something thing nice to say then save your breath for cooling your porridge;)
My favorite was the piston demo.
I'd love to know what nickb said and where he went.
Yeah, that cig over the carb? I guess a ember couldn't get through...
I still daily drive a slant six in my A Body. It's getting me through college.
Bravo, one of the best explanations of how and WHY a motor functions the way it does. You have earned my admiration and my subscription! I look forward to your next video. Marshall
Great video 👍. I rebuilt a 68 cuda with a 225 and 3 speed way back in highschool. The car cost me $70 but ran for many years. This brings back good memories. Thanks again. Joe
Thanks for the great insight on the slant six, i remember when my family had a Dodge Diplomat with that motor, good memories!!!
It is very refreshing to hear someone speak from knowledge - actually understanding how something functions. Instead of parroting what others have stated - correct or otherwise. I have much respect for that sir. The slant six was / is a fantastic engine, had a '74 duster 225 3 speed.
Rust killed it not miles, loved that thing dead reliable.
Same car here, that long throw gear shift, I had to watch out or I would stick my cigarette into the dash board
Thank you for sharing the knowledge! Always been a fan of inline 6 engines... and from what you've explained, we all back in the day hated them simply because we completely misunderstood the design! Thank you Tony and thank you to the internet! Subscribed!
Uncle Tony, my first car was a '67 Dart w/ the 225... loved that car. But this finally explains why the car ALWAYS hesitated when stomping on the gas. But it sure loved a good power-brake! I used to say it would sorta " Huh? Oh, okay..." and then take off like a mule kick. Right around 2500 RPM! Wish I had known this info way back when... I'd have kept it!