OK so I'm getting to put the engine and trans in my '59. First I'd like to get close to the right speedo gear/s in it before the big stab. 3.50 rear gears, 29.5" tire height. I know the driven speedo gear is 19 teeth and I'd like to avoid taking the back of the trans apart to count teeth on the drive gear. Is this a question for numbers dummy? Thanks
ND I appreciate your help. I went with the bottom #'s beng 8 for drive gear and 19 for driven gear. If that's the case, my 3.5-1 rear gears are perfect for 29.5" tires.
Who stocks gears for these? I've struck out, but it looks like my #'s are AFU.
ND, sorry for the confusion. Both my trannies are for an F350. I pulled the other driven gear and it reads as follows:
The first one is a 19T gear and the one in front of me is a 22.
This is the main reason I don't want to pull the drive gear out. I don't have a socket, impact wrench or compressor that will break the big nut off to pull it out.
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