So, on an old doodle bug, gramps had a transmission mounted behind the regular transmission to speed it up. Can an AA Dual High tranny be mounted in backwards to make it an Overdrive?
KVO
Dual high trany installed backwords.
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- Posts: 753
- Joined: August 11th, 2013, 4:25 pm
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- Model Year: 1928
- Location: Hamilton, Mich.
Dual high trany installed backwords.
KVO
Dec. '28 AA
Dec. '28 AA
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- Model Year: 1929
- Location: Illinois
Re: Dual high trany installed backwords.
yes and no... they do work, for awhile but run VERY hot and will eventually kill themselves.
- macswoods
- Posts: 313
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- Model Year: 1929
- Location: Wilhoit, Arizona
Re: Dual high trany installed backwords.
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Last edited by macswoods on August 1st, 2015, 5:55 pm, edited 1 time in total.
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- Posts: 1223
- Joined: June 14th, 2007, 7:29 pm
- Body Type: Grainbox
- Model Year: 1929
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Re: Dual high trany installed backwords.
well the "dual high" in its standard config is a 1:1 ratio but when engauged its a 2:1 ratio using planetary gears. Planetary gears just dont like to be ran the other way around. plus they are also noisy due to planetary nature.
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- Posts: 753
- Joined: August 11th, 2013, 4:25 pm
- Body Type: 82-A Platform
- Model Year: 1928
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Re: Dual high trany installed backwords.
Thanks for the info. I guess it is back to the drawing board for me. Thanks again.
KVO
KVO
KVO
Dec. '28 AA
Dec. '28 AA
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- Posts: 1223
- Joined: June 14th, 2007, 7:29 pm
- Body Type: Grainbox
- Model Year: 1929
- Location: Illinois
Re: Dual high trany installed backwords.
I thought someone mentioned an overdrive used in old old old (like 1960's) volvos could be adapted... but to me that seems rarer than the warford setup...
- spectria
- Posts: 1874
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- Body Type: Mail Truck, Stakebed
- Model Year: 1931
- Location: Quincy, Ca.
Re: Dual high trany installed backwords.
That Volvo overdrive was a great source of income in my shop (needing repairs frequently)...Stakebed wrote:I thought someone mentioned an overdrive used in old old old (like 1960's) volvos could be adapted... but to me that seems rarer than the warford setup...
Dave in Quincy, Ca. I love Pics!!!! Post them All!!!
Join the Ford Model AA Truck Club - membership form at http://www.fmaatc.org
Join the Ford Model AA Truck Club - membership form at http://www.fmaatc.org