28 AA warford overdrive

AA Ford Discussion Group relating to the repair and restoration of your AA Ford.
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birdacre
Posts: 480
Joined: October 8th, 2013, 2:37 pm
Body Type: AA express
Model Year: 1928

28 AA warford overdrive

Post by birdacre »

what ratio was used on the output shaft? were they all the same. is the shifter just engaged and disengaged? any ideas?
Bob C
Posts: 1442
Joined: April 24th, 2003, 11:50 am
Body Type: Mail truck, Stake tr
Model Year: 1931
Location: SO CAL

Re: 28 AA warford overdrive

Post by Bob C »

Haven't done the math but a 6.6 rear axle becomes a 4.94 in forth overdrive.
The Warford shifter is used to select under, direct, over, and neutral gears.
birdacre
Posts: 480
Joined: October 8th, 2013, 2:37 pm
Body Type: AA express
Model Year: 1928

Re: 28 AA warford overdrive

Post by birdacre »

my rear end is 5:17 it would be neat to figure out the final drive in 4th overdrive. anyone have any ideas?
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Neil Wilson
Posts: 3062
Joined: February 5th, 2003, 9:42 pm
Body Type: 82-A/89-A
Model Year: 1930
Location: Boulder, CO
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Re: 28 AA warford overdrive

Post by Neil Wilson »

birdacre wrote:
June 28th, 2018, 8:33 am
my rear end is 5:17 it would be neat to figure out the final drive in 4th overdrive. anyone have any ideas?
The calculations are already done - see http://aafords.com/aa-information/#mph
Regards, Neil Wilson
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birdacre
Posts: 480
Joined: October 8th, 2013, 2:37 pm
Body Type: AA express
Model Year: 1928

Re: 28 AA warford overdrive

Post by birdacre »

i had forgotten that there was a warford column. thank you, i hope you are well. kevin
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