Ford Model A Overdrive. How it works, what it does! Mitchell overdrive overview
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- Опубліковано 14 лис 2020
- This episode, we will talk about overdrive for the Ford Model A. We will also see the beginning of a club seminar doing an overdrive installation. A full overdrive installation video is here: • Ford Model A Mitchell ...
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Here is the video showing how to install a Mitchell overdrive step by step- ua-cam.com/video/fKRHYlwR7eU/v-deo.html
It's almost the same thing as a two speed rear axle just saying you can split shift every year if you want to you should split shift 2nd and 3rd the you drop directly into third high. If that works fine but you still have another option
For sure a mulligan for you my friend, looking forward to the next video!!
@@hootch3133 Thank you, my friend!
Kool ! i will watch it!
Even that video was “worth” my time
It's nice a young guy like yourself is helping the senior members. I want to get a Model A , my longtime friend had several years ago when I was a kid . I always loved 50s and 60s cars and now I'm moving backwards . My oldest son loves Model Ts but I really want an A .
My uncle's neighbour had a model t he sold 35 years ago, and he owns an a that was his dad's.
Owning a model A has always been on my bucket list, but after having cancer, and dealing with health issues. Not in the cards anymore. Ever since I helped a friend rebuild the engine in his A when I was in high school. I think they were the best car ever made.
When you put the jack stands on the cinder blocks under the frame you should have turned the blocks over with the holes facing up with a board on them then the jack stands on the board. With the blocks on their side they could collapse.
I gasped out loud when I saw it, but realising the blocks
are not the same as ours, that crumble when you
pick them up.
The sound of the engine is so relaxing, I almost dozed off listening to it.
That was just because I'm boring. Ha ha! You might find this video even more relaxing- ua-cam.com/video/K3Fv4kenuOk/v-deo.html
I did a rally with the local Model A club when I was 16... the drone of the engine, plus the summer air rushing around the 31 coupe I rode in put me to sleep in the last half of the rally.
After 18 months my 30 coupe is almost mechanically finished, I had to replace/rebuild everything except the motor it was done in 1970 ,car was painted plus a new interior was added then parked. I will be the forth owner, my Grandfather bought it from a neighbor in 1951 the second owner, then my dad the third,car has always been under a roof and has no rust. The only thing is the trunk sheet metal was completely gone, my dad used to put a sack of fish in it and I am having a hard time putting a new one in, I have the sheet metal but the very back parts I don't know about. I do have local people here but thy are hard to get to find sometimes.This car came with a trunk and I am going to keep it that way.It will be different from most all I have seen but that is how it came.The car has about 82000 miles but had never been taken care of.Love your videos plus U tube has helped me,I thought I knew how to work on a car now I know more but not all.People do ask a lot about it everywhere I go.Be patience as we represent the past ,see if the link works.i.imgur.com/xtK0Irm.jpg
"Sorry for how dirty it is under here." Dude, that's the cleanest undercarriage of a 90+ year old car I've ever seen.
Ha! You should see it when it's clean.
Paul - you May think this video didn’t work out the way you wanted , but still it was informative! You communicate very well. I have been driving and maintaining a Model A for 60 years (two for the last 35 years) but I always learn something from your videos.
Thank you, Phil.
The Mitchell overdrive for the Model A Ford allows splitting of the 3 speeds on the manual transmission giving 6 speeds forward. The result is a more versatile transmission where a gear can be selected that matches the road and speed conditions.
I leaned about the model a overdrive thanks to Shooting cars' review of the Model A.
Zack is a good guy! Excellent car reviewer.
Years ago I put a all range overdrive in an old jeep, made it nearly modern, now I'll have to put an overdrive in my model a pickup, and my wife watched the video and said ok! thanks
Glad to help, man!!
Great video... but about the cinder blocks... They have almost no strength when on their side, and will break under minimal load. Turn them the correct way and place a piece of 2 x 6 on top... much stronger!
Your comment when you said that this is the time we should be using jack stands, I was thinking that probably 30 nosconds before you.😊 Scary thoughts were coming to mind. I really am hanging on every tidbit of information you pass on to us, it's wonderful. 😊
Thanks for another nice Model A video, heck, I wouldn't mind if there was no dialogue at all. It's just good to see a bunch of guys who like old iron getting together to help each other with an A project. Looking forward to your next video; thanks again.
Good to see a bunch of guys having a good time! Looking forward to Your next video.
Definitely interested in overdrive.
Love to see the rear end being set up. looking forward to the next video thanks. Richard
Thanks Paul, I will look forward to the conversion you do at your place in your own time, I’m sure it will be worth the wait.
Can't wait to see you install the Mitchell!
I'd recommend standing your cinder blocks upright and span with a short piece of 2x8. The way you're doing it the block could collapse.
Cinder blocks was a big No No for standing vehicles or other loads in our Auto Mechanics course back in 1980. A hairline crack can develop and suddenly the whole thing colapses.
Total madness using a cinder block especially on its side. The weakest part. 🤪 use wood!
Howdy keen eyed and safety continues gentleman ... see my above Thank you !
@@derekferguson385 never ever concrete blocks or bricks for support under a car. Use blocks of wood.
I noticed that risky cinder block placement, too.
If you absolutely NEED cinder blocks in a pinch, rotate them 90° so all walls are vertical and in pure compression, top them with a 2" wood plank, and position the jack stands atop the plank.
These Videos never cease to amaze Paul Mammal. The overdive is so useful
Thanks, Raptor! I can't wait to see you ordering at a drive thru from inside an antique Ford.
Yes I would have liked to have seen the process all the way through, but this video was very informative and worth the watch! Thanks!
These videos are great! Thank you SO much for taking the time to put these together. Informative and therapeutic! Great choice in music also.
Thank you Ken!
I really enjoyed the segment of you driving and explaining the operation of the overdrive unit . I could have a lot of fun driving one, as I used to drive tractor trailers years ago.
For sure a mulligan for you my friend, looking forward to the next one!!
Thanks for showing how to incorporate the overdrive into our everyday driving. As for the gathering, it is great to see the enthusiasm in the garage! I love gathering around grease!
Agreed! Now you got to meet some of my cronies.
The Mitchell overdrive in fantastic in improving the ride in model A. Amazing!
Love your videos! Keep it up. I have a 1930 Tudor myself. It’s not as quite as nice as yours, I’m still working through getting things all set mechanically. Then I’ll repaint it.
Hi, Paul, the focus you have given on this video, truly shows the benefit this over drive has on the vehicle. You can listen that the motor works less harder, going up the very same mountain slope. After all, this footage was as usual very great, and always one learns something new, or an other experience, thanks again Paul.
Thank you.
I'm bringing a 1930 Town Sedan in to Bert's this Friday for installation of a Mitchell gear-splitter. Thanks for the tutorial.
Incredibly nice video. Have owned a Mitchell overdrive for three years. Learned some tips from this video. Love my Mitchell overdrive. Look forward to seeing your installation video. Keep up the good work.
Thank you!
Thanks for keeping my hopes and dreams alive 👍🏻👍🏻.
Great video Paul. I really want an A. We were also 29 here in “sunny Lithgow” but our temperature was in Celsius. 😀
Very cool stuff and a fantastic efficient improvement for the A. Can't wait for that video to come out. This stuff is better than a box office smash. And you learn stuff. Thank you so much.
Thank YOU!
@@ModelA Very welcome sir. I watched this again and must say that is one nice A. Outstanding all the way round.
Cool! Looking forward to the other video on the overdrive.
The video may not have turned out how you envisioned it Paul but I enjoyed seeing your club in action and I understand a little of what it would take to achieve what your after with the video. Look forward to seeing your more detailed version. Keep them coming 😁
This channel is already awesome! I have seen a few Model T cars and a truck over the years, but the Model A is a rare site for me. I think I have seen maybe 2 in person, neither being driven. I got to experience every Model T I saw being driven, and I have seen a handful, with only one being a truck. I talked to an owner of a T in Cooper, Texas that drove his daily still, with an electric start, a different gear set and slightly higher compression ratio. The Model T truck was still crank start but also had higher compression and a few other things done to it.
A lot of work. Great to have a batch of guys working together.
Especially guys who get along as good as we all do.
I've enjoyed your Model A videos a lot. Thanks for sharing them.
Thanks for watching, Michael!
Your videos are alway extremely interesting and enjoyable. Thank you!
At age 12 in 1943 l learned to drive our family model A. A few years later I bought a used 1934 Ford V8. Been driving Ford's ever since!
e
A
Age 90 now!
54 willys cj3b with warn overdrive.same principle,25% difference.4 gear shift levers out of the floor.like driving a farmall down the road.i certainly understand your passion for model a,one of the greatest cars ever made.
Thanks for sharing
I remember as a kid , about 1963 , finding an abandoned Model A in a wooded area near a farm. We took most of it apart and put it in my dad's garage and back yard. At age 12 , we thought we could re-assemble it. We never did. Learned a lot from it. Later in life took automotive shop in high school etc..
Yes please do one. I've been wanting to order one for my 29 roadster pickup. Been thinking about driving out there to pick one up.
The Mitchel family are great folks, and the OD is very well designed & support.
Glad you posted this, looks like a great OD unit. And I'm so happy you're honest about Model A speeds. I've had way too many owners telling me how their Model A's routinely do 55-65 mph and they're stock, and I'm standing there going, "How?" I don't think I've ever had a stone stock one over 50! Great videos!
Glad to help! By factory stock survivor fordor will do 55 easily. Feels like it has a lot more in it.
Been there & done that with the Mitchell Model A conversions here in Australia on a '31 160B Briggs Slant Town Sedan. Yes, you are absolutely right Paul. You always do a better job on these cars when you work by yourself without outside interference. My son helped me & we had the job done, on both the trans & the overdrive,without a hassle in one day. I wouldn't drive a Model A without the Mitchell components & I thank Sue Mitchell In California although I think she has now sadly passed.
@Paul - Great channel. Hope you have a very good 2021-22!
Thanks Getis
I have enjoyed learning your real time driving experience.
Glad you enjoyed it
Looking forward to the next OD video and I agree with that type of attempt. Too many variables, but I still learn a few things. Thank You. My Austin Healy 3000 has the electric OD and I drive it just like you do your A making it a 7 - Speed.
Thanks! Here it is - ua-cam.com/video/fKRHYlwR7eU/v-deo.html
Hi Paul. Your car is 10 times cleaner than any of my modern day vehicles. I live on a "gravel road" and it doesn't allow a person to keep them as clean as you'd like, course I'm not that energetic these days. I already watched the Mitchell Overdrive Installation video before this video and I think you did a great job on both. Your are the man when it comes to these Model A cars! Loved your video and thank you for sharing. Have a great day and I hope your still improving on you health issues!
Thanks Dan!
I love how your cars are always so nice looking ! As always good and educating video 👍
Thank you! A side effect of my particular autism.
New Sub here Paul. I have watched several of your vids and I find them fun and educational. Keep up the good work.
Welcome aboard Earl!
No apologies neccesary!!! I can imagine how hard it is to do a you tube,I pulled a rear out that same way and was not easy. Thank you for your dedication to doing a proper video so we can see this process of overdrive.
I'm still learning how to make videos. Never did this before, so hopefully they get better. Tha k you!
Great 👌 would love to see the complete job thanks for your time and effort I've had a model a since I was 16 I'll be 68 tomorrow
Happy Birthday, my friend!
I had requested this. Thanks for getting it done!
Yep! Just for you, man!
Please use a single square block of wood under the jack-stand instead of a cinder block laid on its side! Cider blocks can shatter and crumble, particularly when laid on their side, which are not designed to be load-bearing!
hauled a guy out from under a car for that very same reason when i worked as a fireman. it didnt end well for him. the blocks pancaked and you can only guess what happened. im glad you brought that up. he was under an 80s model lincoln continental though. you get wrenching and torquing under there and putting a little wiggle on the car and the blocks cant handle it with no diagonal support. again, i hope somebody read your comment and actually took heed to your advice. im glad you brought it up.
That reminded me of all of us working on each other's Model Ts over at Dr. Rimmer's home here in Bakersfield. :-)
I have a 29 Roadster, with a Mitchell in it, it also has 16"wheels and 378 gears in it. I Bought the car like that, one thing the previous owner did was heat up the shifter for the main trans, and bent it. Every time I was in First gear, at a stop sign and i would put my foot on the brake my knee would hit hit the shifter. I ended up cutting it shorter, a little bit longer then the Mitchell shifter. i like to split second and third all the time, i can shift both trans at the same time, but have to shift the main a little slower
For sure a Mulligan for you my friend! looking forward to it!!
Mulligan
i like how u pick what car to drive. think ill adopt the same plan
Thanks! It seemed appropriate
This process was cool to watch...
Great video on using the OD
Thank you.
Great video ride over to your dads using the over drive as a half gear ? was like being in Transport truck 👍 at the shop full of guys was not the place to make a movie. You did ok with what you showed, and I will be looking for your operation in your own shop. 👍👍👍 🍁 Canada
Hey, Paul. I enjoy your videos. Wish you were around 2-3 weeks ago. My big project for the summer was to install a Mitchell O/D in my Town Sedan and due to Covid and social distancing I installed it by myself (I just turned 70). I could have used some pointers and since I'm a slow worker you would have had plenty of time for a video, haha. I replace my spring bushing and shackles while the rear end was out as I found one of the shackles broken.
Good work!! Yes, that's the ideal time for shackle replacement. Assuming the spring spreader doesn't fail, it is safer than doing it under the car.
Thanks for such great videos! I feel like I'm almost there, helping! 👍
Haha! Hold the flashlight!
Great, please do the video on the complete process.
Your videos are excellent interesting & informative so don't be so hard on yourself. Your cars are pretty good too, look like well sorted examples of a great model.
Thanks Mark!
The Mitchell 26% OD is also available for the early V8 with a 3 speed as well. Nice rig !
Oh, that's right, John. I forgot. Thanks for the info!
Thanks for all your videos Paul. I’m a 37 year young father of 5 and just bought my grandfathers 1929 model AA today and would not have been comfortable buying one without watching your vehicles. Thanks for all your doing
Well done Riley!!! Those kids are gonna have some great memories in their older years now about "me and dad and his old car"!!
Enjoy your videos!
Alway what a model A or a T
Thanks for the Great videos!
Hi Paul , you are complete gentleman, your kindness is overwhelming, your integrity impecable, looking forward to seat, watch and enjoy every second of your video installing that overdrive gear box, at my 71 years of age I have all the time to enjoy your videos with very explicit easy to understand technical vocabulary that keeps me glue to the cell phone until it's finished but looking for more, blessings to you and your love ones, most kind of you, from the endless summer paradise Puerto Rico Jesus Torres.
You are so kind! Gracias, mi amigo!
@@ModelA Good morning Paul, once again your videos are coming thru with outstanding, very neat, well organized, very easy to understand technical vocabulary, highly informative information with a touch of drive that make anyone looking for more, congratulations sir, blessings to you and your love ones, your Spanish is outstanding, you make it easy all the way around, respectfully are really fluent in Spanish or technology helping unconditionally?from the endless summer paradise Puerto Rico Jesus Torres.
@@ModelA Good evening Paul, recently I heard you talking about the model A ford engine that you won't rev it up above 2,000 rpm, obviously I understand the nature, the engine lubrication system is not that efficient as newer engines but hipoteticly speaking could it be possible to drill off the crankshaft and other oil passage in the Block to improve the engine lubrication system? Of course it won't be that easy but at my 71 years of age and been working in research and development I would think that can be done, I didn't have the opportunity to work on those toys but you day and day out come across with them, should you have the chance respectfully please let me know, my most expensive thanks for your kindness, from the endless summer paradise Puerto Rico Jesus Torres, MUCHAS GRACIAS CABALLERO.
Some people drill the crank and do a pressurized oil system. And they almost always end up with a broken crank.
@@ModelA Hi Paul, you always come thru as a complete gentleman as you always have been, my most expressive thanks for your kindness for your unconditional technical support, blessings to you and your love ones, from the endless summer paradise Puerto Rico Jesus Torres.
The video was not bad at all...I enjoyed it pretty much...lovely driving demonstration, thank you very much and greetings from Santa Catarina, Southern Brazil (my town is called Rio do Sul, which means in English "South River City")...
Gracias, mi amigo!
Hi Paul, I've got a ha ha for you too: First off I am a lifelong mechanic and a car aficionado to boot. I have owned many great cars over the years, among them a 1969 Pontiac GTO, a 1970 Mustang Boss 302 and a 1959 Lincoln Premiere two door hardtop. The car I miss the most of all is my 1939 Plymouth Roadster Deluxe. The only problem I have with my Current ride, the 560SEC is that it's the best car I've ever had the pleasure of owning and I here's the problem: It's lonely at the top, I figured if I had a Model A I might not stand out so much in a crowd.
On the other hand I have a piece of American history that I might like to offer in stead, namely a 1978 Classic GMC motorhome currently in the process of some interior renovation.
Nice, Carl. Quite an array of autos!
Amazing video, thanks for sharing.
Thanks for watching!
@@ModelA Your welcome
Thats got kick back for old Paul
Looking forward to your overdrive video. I just had a Mitchel installed in my 30 family Coupe by Tom in Westminster Ca. and I'd like to instal the same in a Fordor I keep in another state. The 'other state' car installation will need to be done by Moi' with local assistance. Looking forward to your video. Another great job. BTW..... I too absolutely love my Mitchel Overdrive!!
Thank you
So if I understand correctly, you have four normal gears (R, 1, 2, 3) and with a high/low on the Mitchell, you actually end up with 12 gears (R123-each x low - neutral - high) which gives you a large range of gearing ratios. Similar to a semi.
Ehh... Sortof.
I have a Mitchell Under/Over drive box out of a delivery truck. It is a modern copy of the old Brownie Boxes or Spicer Aux Boxes. It is all Aluminum and weighs 83 pounds where as the Browne Lipe is well over 100 pounds. It is made by the same Mitchell company as what you guys are using.
Neat!! Any video of it?
@@ModelA Hasn't made it into the truck yet. I bought it a while ago but haven't found the time or the shop that can put it in. My old Dodge has a horrible gear spread between 2-3 like your Model A and this Aux could make my 5spd a 10spd.
This is the only pic I have of it imgur.com/gallery/fx44q
Enjoyed your video. I worked for a farmer in the sixties. He told me that as a young man driving model a!s they just put a second transmission n it backwards for a overdrive. Said they left in third for normal and went to second for overdrive. I asked about first gear. He said not enough power
Interesting! Man, I wish I could see a picture of that setup.
I love the club videos. If you do a club gathering video knowing that's what it is...that would be fantastic. Just get video of what you can and the rest laughter and guidance.
I'm not sure our club gatherings are all that entertaining, but hey I'm up for anything.
Good video to start with. 👍👍👍
Model A, such a great car.
Yes!
I just decided years ago to never use cinder blocks to hold up something I have to crawl under, I'm still alive after over 50 years of working on cars and tractors.
It was being suspended by the cables
Thank you for sharing
I enjoyed the ride out there but I did cringe when I saw the jack stands on the cinder blocks. Looking forward to the future overdrive video. Thank you.
If you must use a cinder block (and please don't, it just isn't safe), it should be rotated with the holes top and bottom. That is the way the cinder block was designed to handle a compression load. The side walls are too thin to be safe they way you used it. Also, a piece of 2 x 8 over to the top of the holes to distribute the load is not a bad idea.
I have stored vehicles on cinder blocks in the past, but I just don't trust them enough to work under them in this posture. Harbor Freight jack stands are safer (joke intended).
I miss my 1930 Model A Truck. I sold it in 1988.
I knew I was going to get a lot of flak about the cinder blocks. The car was still hanging by the cables. The jack stands were just an extra safety backup.
Excellent presentation Paul showing the obvious advantages of a Mitchel overdrive installation. Would you be able to answer a question I have regarding whether or not there were some Model A's late in their production run that came equipped from the factory with an optional heater that ran off the cooling system?
No Model A's came from the factory with heaters, not even the high-end deluxe sedans. Any heater in a Model A was added after it left the factory. Dealers could install them for example.
Oh man I was ready for it. Such a disappointment 😂. Can't wait for the other video.
I thought you did very well on this vid
liked it Very much!
Thank you!
I'm sorry Pual you didn't understand my question, ha ha ha old people don't ya hate em ...when you went to the club seminar and weren't able to film I was real interested in the finished result of the Trans and overdrive install in the club members car , did the car perform well with double up gearing combined....thanks for all you do for us, I look forward to the videos 👍
Oh, gotcha! The trans and OD combo is working out excellent for him. His wife even drives it now with the synchro trans!
I had a 1947 Ford with a Columbia overdrive in it, when I shifted into overdrive the speedometer would drop 20 mph, it would go 85 mph out of overdrive and 75 mph in overdrive because the engine didn’t enough power to buck the wind in overdrive.
I have a 30 4 door Model a with overdrive and love it. What is vibrating and rattling in the interior of your car. That would drive me crazy!!??
It's the windshield frame. Instead of fixing it, I got used to it. Shame on me.
Really interesting to see how you use the overdrive between 2nd & 3rd. I've added an overdrive to my Model A upgrades wish list :) [I also need to make sure I can still get 'club' (conditional) registration with that modification here in South Australia!]
Haha! I have seen a few Australian Model A's with that mysterious extra gear shift lever in them...
@@ModelA Cool! I've just discovered your UA-cam channel and I'm really loving it! I didn't have much luck finding a Model A channel for Gen Xs so here I am :)
@@ScubaAnt72 I'm right on the border of GenX and Boomer. I decided I would rather be a young, hip boomer than a behind the times genXer.
@@ModelA Good call, I like your thinking! :)
yesssss my favorite one got picked
Just for you, man!!!
Did the Mitchel synchro trans with 15% extra in 2nd. Also did 3.27 rear gears so 50 mph no problem. Lightened the flywheel and used a V8 pressure plate to a total of 40 pounds allows instant shifting into 1st w/o grinding when lights turn green. Nurex aka Phillips spark advance makes car easier to drive.
Nice work Andy!
Fresh motor with custom oversized Stipe B cam to avoid cam bushings, larger valves, Zenith B carb/ intake, Snyder 5.5 head and Petronix ignition makes motor good puller. Drove buddies Mitchell overdrive. Cool but I did not want the extra lever on the floor. His next car he did the super high speed rear. My engine rebuilder too. All happy but all agree a strong motor is needed.
Me gusta tu A. Está muy bien cuidado.
Gracias, mi amigo!
Wonder if this type of OD fitted old GM torque tube models.
Great video, I really enjoyed it, but I have a question, when you shift gears why don't you double clutch? It seems to me when I'm driving our 31, double clutching doesn't seem to grind the gears as bad...
Double clutching is not necessary when upshifting. I don't grind gears. In fact, the ONLY time I ground a gear in this video was when I did double clutch because I was speed shifting! See this video for a demonstration: ua-cam.com/video/oDCJ2ARHQwI/v-deo.html
Pretty impressive that the Model A had a digital speedo back in the early 30s.
Just goes to show how far Ford were ahead of GM.
Hello Paul:
Like this video are you going to make another how to install a overdrive video. I ordered my overdrive for my 29 sport coupe
Does your tudor have stock 378
Gears .
Yes.
A) NO CRITICISM you are the best Paul but concrete blocks are their WEAKEST with the webs laying horizontal! Always put the block (to support weight) as it would be in a building and for the use there go ahead an pilaster it (fill the voids with concrete, sit the block on a piece of plywood and fill the voids) Let it sit a week to cure and viola you have a heavy but substantial block. B) Love your videos, passion, purity in taking nomenclature (yes that is a word for details) and attention to the most minute detail. I am truly impressed and love your work!!!
Thanks, John! Yea, I know better..... You're right.
What is the operating temperature for a 31 model A, and where could be a good place in the engine for a temperature sending unit?