28 AA warford overdrive

AA Ford Discussion Group relating to the repair and restoration of your AA Ford.
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birdacre
Posts: 394
Joined: October 8th, 2013, 2:37 pm
Body Type: AA express
Model Year: 1928

28 AA warford overdrive

Post by birdacre » June 27th, 2018, 6:34 pm

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: 1196
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 » June 28th, 2018, 8:21 am

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: 394
Joined: October 8th, 2013, 2:37 pm
Body Type: AA express
Model Year: 1928

Re: 28 AA warford overdrive

Post by birdacre » 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?

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Neil Wilson
Posts: 2610
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 » June 28th, 2018, 9:18 am

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
______________________________________
neil@aafords.com - use this email for contact
www.aafords.com - AA information and photographs

birdacre
Posts: 394
Joined: October 8th, 2013, 2:37 pm
Body Type: AA express
Model Year: 1928

Re: 28 AA warford overdrive

Post by birdacre » June 28th, 2018, 2:59 pm

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

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