3.42 swap and speedo gears
08-21-2003, 09:30 AM
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3.42 swap and speedo gears
I swapped my rear gears a while back. Not long thereafter I changed my speedo gears to correct my speedometer. Now, years later, I have to replace the speedo gears again due to the clip on the tailshaft failing and chewing up my gears. So, what is the best speedo gear combo for a 700r4 and 3.42's in the rear? I have 215/65/15 tires. I thought that I should use the 15 tooth drive gear and 41 tooth driven, but TCI says to use a 40 tooth driven gear. Which is correct. Thanks.
Last edited by Cole; 08-21-2003 at 10:07 AM.
08-21-2003, 08:52 PM
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Car: 1985 Pontiac Trans Am
Engine: 355 with stuffs.
Transmission: 700R4
Axle/Gears: 4.10 Posi
I don't know which would be better, but I would say maybe check out a factory thirdgen with 3.42's and see which it uses
just a thought.
just a thought.
08-22-2003, 10:18 AM
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Originally posted by Quick_Trans_Am
I don't know which would be better, but I would say maybe check out a factory thirdgen with 3.42's and see which it uses
just a thought.
I don't know which would be better, but I would say maybe check out a factory thirdgen with 3.42's and see which it uses
just a thought.
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