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Old 06-21-2010, 11:14 PM   #5
boo
Senior Member
 
Join Date: May 2010
Location: stuart, fl
Posts: 156
Default Re: Borg Warner R10 overdrive conversion for Model A?

have B/W o-drives in 2 model a's .had to change from 21'' tires to 16'' to have enough power in the 29. put 4:11 gears in rear while instaling the o-drive in the 30 truck . i like the B/W because i can run in 2nd. gear o/d in the mountains where hi is to hi and 2nd is to lo. also have a columbia in a car, have 4:44 rear gears w/26tooth zypher trans. gears 7.00-16 tires, good combo.
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