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04-12-2017, 09:06 AM | #21 |
Junior Member
Join Date: Nov 2015
Location: Warren, Ma
Posts: 12
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Re: Mitchel overdrives
Has anyone driven an AA with the Mitchell?
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04-12-2017, 09:07 AM | #22 |
Senior Member
Join Date: May 2010
Location: Didsbury Alberta
Posts: 838
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Re: Mitchel overdrives
I have one in each of our three Model A's, matched up with their sycromesh transmissions. In my opinion, it is the best way to go. Service or questions is top notch.
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04-12-2017, 09:41 AM | #23 |
Senior Member
Join Date: May 2010
Location: Mpls, MN
Posts: 27,582
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Re: Mitchel overdrives
I don't know, but if I had an AA I'd sure want to install an overdrive in place of the intermediate shaft.
I have a 1929 Chevy 1 1/2 truck, and it sounds nice at 25 MPH in high gear. Not saying that is top speed by any means, but it sounds good at the speed. |
04-12-2017, 12:39 PM | #24 |
Senior Member
Join Date: Apr 2015
Location: Texas
Posts: 177
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Re: Mitchel overdrives
Good reason to have a Mitchell. This is with a 3.78:1 ratio @ 1.26% over drive. As usual, can't control the picture rotation.
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04-12-2017, 07:28 PM | #25 |
Senior Member
Join Date: May 2010
Location: Moncks Corner, SC
Posts: 439
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Re: Mitchel overdrives
Don't you fellows risk lugging the engine with too high gear ratios. 26% with a 3.54 rear ratio would be to high in my opinion. Hopefully you are using inserts...I run a Mitchell 26% and rear end 3.78 and for me that is just perfect.
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04-13-2017, 02:26 PM | #26 |
BANNED
Join Date: Feb 2013
Location: Coatesville, Pa
Posts: 719
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Re: Mitchel overdrives
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04-13-2017, 06:57 PM | #27 |
Senior Member
Join Date: Apr 2013
Location: West Australia
Posts: 346
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Re: Mitchel overdrives
My OD has a notchy feel to it also, so I am guessing that they are all like that.
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04-13-2017, 07:11 PM | #28 |
Senior Member
Join Date: Feb 2011
Location: Lincoln, Nebraska
Posts: 1,908
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Re: Mitchel overdrives
I was wondering that too. I sent them an email and they said that they could do it with no trouble. However they did not know how well the worm drive rear end would tolerate it.
Anyone use one with a worm drive rear end?? Not necessarily looking to do over 50 miles an hour but getting into the low to mid 40's would make it something worth thinking about.
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Dave / Lincoln Nebraska |
04-14-2017, 09:24 AM | #29 | |
Senior Member
Join Date: Mar 2013
Location: Hudson, NY
Posts: 511
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Re: Mitchel overdrives
Quote:
Frank |
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04-14-2017, 12:14 PM | #30 |
Senior Member
Join Date: May 2010
Location: Central, IL
Posts: 3,968
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Re: Mitchel overdrives
Waiting paitently as well... In comparison how does the warford overdrive work with the AA's?
My area i have to get on a 4 lane highway for a few miles to just get anywhere and to especially cross the river. Sure theres a 2 lane bridge crossing but its way way out of the way and people go 60+ on the 2 lane, would rather ooze along on a 4 lane so they can safely and easily pass me...
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1929 Model AA - Need long splash aprons! |
04-14-2017, 12:25 PM | #31 | |
Senior Member
Join Date: Feb 2011
Location: Lincoln, Nebraska
Posts: 1,908
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Re: Mitchel overdrives
Quote:
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Dave / Lincoln Nebraska |
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04-14-2017, 03:44 PM | #32 |
Junior Member
Join Date: Feb 2017
Location: Reno, NV
Posts: 6
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Re: Mitchel overdrives
I have had 2 Mitchel's in 2 different cars, love the product. I also have a Mitchel synchromesh transmission. With the Mitchel its 6 speeds forward and 2 in reverse. The Mitchel comes in handle driving in hill country here in the Sierra Nevada mountains. The sweet spot for my coupe is 55 to 60 MPH in 3 over. Great product with great support.
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04-14-2017, 08:29 PM | #33 |
Senior Member
Join Date: Jun 2011
Location: West Point, VA 23181
Posts: 373
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Re: Mitchel overdrives
I'd like to hear how they work in your AA's too. If you can do 50 and carry on a conversation at the same time that would be great!!
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04-15-2017, 07:33 AM | #34 |
Senior Member
Join Date: Mar 2013
Location: Hudson, NY
Posts: 511
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Re: Mitchel overdrives
After I get it installed, I'll post back. Due to receive it end of the month. Unfortunately, May and June are heavy parade months (this is a firetruck). I may not get it in the truck until June. I wanted to start a discussion about removing the old torque tube with the least amount of trouble. Should I start another thread???
Frank |
04-15-2017, 07:42 PM | #35 |
Member
Join Date: Jan 2016
Location: Tower City, PA
Posts: 46
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Re: Mitchel overdrives
Quick question about these overdrives, has anyone checked their fuel milage before and after the change over ? Just wondering. Thanks
Larry
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"All you have to be is smarter than what you are working with" Larry Stout Quote thats me... Few old men finish well. |
04-15-2017, 09:30 PM | #36 |
Senior Member
Join Date: Jun 2011
Location: West Point, VA 23181
Posts: 373
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Re: Mitchel overdrives
This one's already called Mitchell overdrives. I vote to keep posting here.
-Roger. |
04-16-2017, 07:42 AM | #37 |
Senior Member
Join Date: Mar 2013
Location: Hudson, NY
Posts: 511
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Re: Mitchel overdrives
OK. I understand that there is a tool than can be purchased or rented to assist in removing the rear drive shaft on an AA without removing the worm drive unit. Any scoop on this??
Frank |
04-16-2017, 07:57 AM | #38 |
Senior Member
Join Date: Feb 2011
Location: Lincoln, Nebraska
Posts: 1,908
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Re: Mitchel overdrives
Maybe I'm missing something but there is none that I am aware of. The rear differential is coupled to the drive shaft by a collar that will require one of two pins to be driven out separating them. You will need to drop the rear axle away from the truck, disconnect the drive shaft from the transmission and slide the torque tube forward to do it.
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