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Oiling System Flow Path Of The Classic American V8 Engine
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- Опубліковано 16 бер 2022
- While there are many design variations that separate the engines from Ford, GM and Chrysler, many systems contain universal features. Here is a run through of the typical Classic Era American engine oiling system as illustrated on a Big Block Mopar. The flow Path starting from the pickup strainer and continuing all the way up to the rockers and everything in between.
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I remember in the 80's about a electric pre startup oiler that had a reservoir. It had a connection to the key start with a delayed start till oil pressure reached a preset pressure. I've always thought that this was a very reasonable solution to avoid startup damage.
It avoids startup damage, it prolongs engine oil life, if prolongs engine life, lessens pollution levels of start up for many obvious reasons, and is just a great system overall.
Loving it T👍
@@DerpyRedneck yeah sounds very effective. Put it on the shelf!
Tony, this is the type of information that got me to subscribe three years ago. I doubt I'll ever build a race car; rather, I want a great, classic, daily driver that serves the purpose today that it was designed to serve when it was built. You have refined your videos, and you look much more comfortable in front of the camera. But I do miss the Stunt Carb!!!!!
Great video Tony!! A lot of people fail to realize that pumps don’t make pressure. Pressure is resistance to flow. That’s why old worn out engines have low oil pressure, not necessarily from a weak pump, but because the tolerances (resistance) is no longer there. Keep it up!!
Yeah it's always fun to watch a mechanical gauge on a cold start and it takes 5-15 seconds before the needle even moves,it gets ya thinking.
This is why I subscribe to UTG. Not for the JunkYard Jets ( which I just turn off ) but for videos like this which Tony describes in detail on how things to work. The knowledge is so vast that you're captivated of his wisdom and enjoy the stories. He is a master and the way he articulates is why this channel is a gem. Great Job.
Yes! All of this.
Love the Jets but, I did teach auto shop at a high school so, the dynamic is familiar.....
What's wrong with the jyj's?
@@robidsgarage I would say they’re an acquired taste I have yet to acquire. 😜
What you're failing to realize, is the fact that Tony continues to teach even during videos featuring the young men and their project car. Sure, a few of those videos only focus on the car build itself, but make no mistake, Tony is teaching just as much in the majority of those videos as well. He's not just "disappearing into the background & allowing those guys to take over". So you're missing out young man. Look at it this way: who do ya think is teaching & coaching those guys along in the videos dedicated to their car? Answer: TONY. He is doing 2 things at once: he's teaching those guys AND the young viewers at the same time. Think about it.
Interesting how car manufacturers were always concerned with reducing engine noises and the general public complaining. Never though of it like that.
I think what they thought at one time and what they think today have nothing in common. Direct injected engines seem to be garbage, and there was no real good reason to cut the engine life in half or more for the very little gain. If I were to off on a rant , it would be about how unions own politicians! They're working side by side for persona gain. Fuck democrats, that pander to complete idiots. All Biden it doing is trying to screw the middle class over and shift the blame for his own incompetence . This was all a trend far before Putin "attacked " Ukraine. FJB and his assault on the world
This is why Uncle Tony and Uncle Kathy are National Treasures. Thanks for the wonderfully presented explanation. And, Yes we will give Uncle Tony credit for "Circulartation" once it is entered into the dictionary.
I'm a Ford guy butt use Unka Toeknee for reference. I'm rebuilding a 4.0 OHV and have spent time cleaning and studying the oil systems in the cast and drills. Fascinating how it all works and the many passages to balance psi where it's needed. Some places, it's a miracle how any oil gets to the parts like rockers on this specific engine.
FoMoCo's Y-block 292/312 million dollar design engineered upper-end oiling-system was so bad J.C. Whitney had to solve their problem with an inexpensive aftermarket external line kit...that worked.
That or poor oils to blame?
In the hospital with possible heart attack and I’m watching this video. It lowered my blood pressure quite a bit. He’s a dr too. Big block Chrysler calms me. Good video
You truly have a talent for explaining engineering design in lay terms and keeping it interesting. Not only the technical aspects, but the pros and cons of each decision as well as the thought process of the engineers.
That's where the Ford 427 "side oiler" gets its name,it prioritized oil to the crank first instead of the cam/lifters to keep up with the high RPMs used in the racing applications.
Same same always wondered why they called them side oilers now I know cheers Tony !
Excellent explanation of how oiling works. One of those topics where you think you know something, but clearly didn't have all the details. Much appreciated. Quality of the video is excellent as well.
Thanks UT!
I have worked on a lot of engines with buddies and they always want better oil flow to the cam and rockers and worry about restrictions. Now, thanks to you, I understand the How and why of the oil circulation!
Circulatation... *CUT*
Oil passes though an interdimensional portal, and returns 4 picoseconds later with every third molecule upside down. No, wait: that's just the mushrooms talking. Carry on - more fine videos from the guy who makes things work, in the style we all love so much. Thank you Tony.
Circulatory....
Now pay attention, Uncle is teaching Stuff..
@∅
Crazy coincidence: Yesterday I was looking at the B and RB Mopar oil passage enlargement drill bit at 440 source and was trying to figure out if it was something I needed or if it was just snake oil (pun intended).
Looks like it would increase the volume of oil to the main bearings. It would have taken me a while to figure that out without this overview video.
Thanks Uncle T!
Really appreciate your style. No blabbing about the weather, your cat, or whatever, no bullshit intro, just right to the point and on point the entire video.
I never knew just what the tern Side Oiler meant. Now I do . Thanks UT.
I really like the idea of running two grooved main bearing, Makes sense. Definitely trying that out Thank you Uncle Tony.
Uncle Knows his work 👍💯
Learned some stuff again. I'm getting less dumb everytime you do one of these. Keep it up
Looking forward to the next one about types of oil and your recommendations
Great video UTG👍👍
These are SO MUCH better and the only UTG videos I will watch. No offense to any of the "guests" but it is one thing to have an occasional feature but when someone is on everyday, it seems like they are riding Tony's celebrity. I like UTGs BECAUSE it is JUST Tony--or Tony visiting an already established shop or boneyard, not guys looking for a come up. Watching and learning from Tonys decades of vast knowledge while being entertained by his engaging personality is what made the channel successful--if you want to see people riding coattails,there are LITERALLY thousands of automotive channels for that!
just the best thanks
Excellent explanation of the oil flow through the block. I often see builders that ad a line from the main oil feed to the left lifter bank. Is that worth the trouble or just a race engine modification? Thanks for all the great videos. Mike
X2 I have seen this as well with the disclaimer that it's really only for extended high rpm use but I would love a better explanation
Can you imagine an engineer explaining this, Uncle Tony your the only person I watch that can explain this and speak English at the same time! Thank you so much!
Could you go through a Cleveland block like that one day, please.
Therapeutic listening and to watch, and I learned so much in such a short time. Wow....
The school of UTG has taught us again! I especially liked how the connecting rods and rust pins get oil! Good visual using the thin wire!
Hi Mate, I’ve got an interesting old engine (for me anyway) it’s a 1953 260 cubic inch Rolls Royce inline six where the rods are drilled vertically to lube the piston pin but has a hole drilled at 90 degrees through the side of the rod to directly lubricate the thrust side of the bore. It also has such niceties as a billet crank, sodium filled exhaust valves, beehive valve springs, dual point distributor and everything is mounted via studs. The cast aluminium sump holds 16 litres of oil. I’d like to hot it up and stick it in my model A roadster.
That's way cool. I would love to see it
Love you Uncle Tony. You taught me alot!
@@DanEBoyd duh heck fer hew?
I'm planning on adding a external oil line for my 351m for starvation issues on this block
Loving them Rustoleum paint jobs on those blocks!!!
Thanks a few corrections
1. The number one main bearing gets oil direct from the filter
2. The right main gallery feeds the mains and the right side lifters
3. The left gallery only feeds the left side lifters
4. The rockers are fed through the #4 cam bearing which acts to limit the supply of oil to the top end.
Yes you are correct on the #4 cam bearing. I believe there are actually three oil holes in #4 cam bearing and the camshaft oil passage is drilled at an angle that alternates with the left & right side to direct oil to the top end. I believe I am right in saying this and I believe this is somewhat unique to Chrysler big blocks? I am currently involved with an engine rebuild and it is not getting oil to the right side top end. Machine shop cleaned, bored and installed cam bearings. Suspect the cam bearing was installed in the wrong orientation? Will need to pull cam and check. Lesson learned to check this prior to assembly.
I love all the candy-colored engines you have around your shop. They look good enough to eat!
This is what I come to youtube for. The wonderful combination of theory and practical knowledge. More of this please Tony!
So fundamental a topic and yet so vaguely covered in most places. Uncle's explanation is the best I've seen.
This channel just keeps getting better. Thx for sharing
Thanks Tony
Really helped my understanding of oil circulation. Good video. '68 Camaro with 327 small block.
Learned a lot in this brief video. Nicely explained as usual.
going with the double groove main bearings for sure . Thanks Bro
Thanks for sharing your knowledge and experience UTG
My parents had a 318 DB6 Dodge. It was kick arse the power in it was amazing and it was not looked after. Dodge had some magic. My Grand Father had an old Willies. Could not be killed.
CAR CULTURE CULT LEADER UTG!
Moparius Dominae
Where's the UTG coolaid? I hear the glycol gives it that kick.
Very good video love how everything is broken down.
Excellent lesson Uncle Tony.
Cheers😊
Videos like this are why I love this channel, great video guys
Tony , that was the best analogy I have ever heard on V8 oiling systems . Thanks
This is why I devised an engine pre oiling system using turbo post oiler pumps. 10-15 secs of the pre oiler pump running pressurises the oil galleries pre start..
You’re a natural born teacher. Never considered the oil routing in an engine to be that important, but how wrong I was! Please keep’em coming!
Do a cross drilled crank one day. I love to learn from you TONY a true old school mechanical engineer
Good teaching I’m not a mechanic but I like how you go step by step in your videos I have learned a lot about engines
cool tip on
when to use high vplume oil pump.
👍
Glad to see your getting back into the type of videos that created your following. I would like to see Slag hammer content on your channel
I wish I grew up with you. Truly analytical people are the people who succeed in this apathetic cattle of humanity we have now.
I always get something for your videos, thanks UT
Thank you thank you thank you
Your videos are a gift Tony!!! Always learning something new or tuning up what I thought I knew or never thought of!!! Thanks!!!🇺🇸
You are my new favorite UA-camr. Your a plethora of great knowledge. I’ve always tried to explain things like you do and it’s like I scare people off lol.
But I’m lovin the videos. Keep up the good work. It’s needed especially today.
Garage 54 on YT just translated a video where they made a clear oil filter. And showed it working. It was kind of cool.
Precise & concise…, that “even a caveman (such as myself) can understand it… just like I like it.
Thank you sir.
Thanks Toni for explenation I have had a rough idea of order of oiling but not understood implication of pros and cons .
Very good UT. Thanks UK.
Wow, thanks Tony, I've never heard an explanation as easy to understand as what you've given to us today! Thanks Bro
Nailing it bud. I know old Vw and you know your stuff.
Good information thanks.
Awesome video as always UT.
Never new why they called them side oilers. Learn something everyday.
I learned much. Thank you
UT
Miata motors are also known for lifter tick, they actually have piston oil squirters that some people remove and cap off. I'm assuming that leaves more for bearings too
Nearly every modern motorcycle engine use piston sprayers. The reason is for cooling the under side, so much thinner castings can be used. At 13-14 thousand RPM, the piston doesn't have time to cool between cycles.
@@outlawbillionairez9780 the miata crank turns to a noodle at 8200 rpm, Rev limiter kicks at 7400 on stock ecu. No wonder they remove them on the forged internal builds.
Very informative Tony. Thank you
Great video, all those oil passages were a mystery to me.
Great Video Tony, thank you!
Keep on keeping on
Great video, very well explained!
Another awesome video from the master 👍😎
The hydraulic lifter in a 263 buick straight 8 works like a slant 6 I believe that was one of the first engines to have hyd lifters in mass production
well done
This is why we luv ya's, cheers .
It's ok tony! Far as getting tongue tied goes. I like the way you talk. 👍
nice job as always
Thanks Unko. Awesome
Another excellent video. Thank you ut and uk
Cross drilling the crank is a better choice then switching to fully grooved main bearings (assuming the tools and skill are available). The strength of the oil film across the width of the bearing is directly related to the bearing surface width. A groove down the middle splits the bearing into two narrower bearing surfaces, reducing the load carrying capacity and film strength. Most of these classic engines are so over-designed, if there are fully grooved bearings available, use them, but they will not have the same service life as ungrooved bearings. Your mileage may vary.
Excellent, as usual....
I knew of a 440 that had -0- oil pressure. It was running fine in a boat and all of a sudden pressure loss and a hard miss. The owner shut it down and was towed in. When the shop took a look at it they told him the engine was dead and needed replacement. When they took the old engine into the shop they found a bent pushrod and the lifter laying in the valley. They put the lifter back in installed a new pushrod, it ran great and had good oil pressure. They sold the engine off as used and it ran for years to come. We never did know why the pushrod bent?
great video Tony
Damn it man....Tony....you are just one of the most awesome guys on the www......showing all us wanna-bee's how it all works!!!
Bless you and your channel, man!!!!
Thanks these were things I learned the hard way as a kid
Nice informative video Tony!
Good stuff UT.
Incredible educational video. I am really impressed with UT speaking and teaching skills. Dodge should hire him as a MOPAR historian. No lie 👍
Great explanation!
Great engine basics episode Uncle Tony!
Thank you for a great video!
I remained amazed by the engineers who designed the modern internal combustion engines without the assistance of computers much less electronic calculators.
Magic!
The relationship between your video subject matter and the car problems I'm having is uncanny.