Transmissions and Drivetrain Need help with your trans? Problems with your axle?

700r4 compatibility question

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Old 02-08-2011, 05:58 PM
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Car: 87 Trans Am
Engine: 350 TPI
700r4 compatibility question

I have an 87 trans am with a bad transmission. I was recently able to pick up a good transmission out of an 83. I was wondering what kind of problems I could run into and if will even work to switch em? Thanks
Old 02-14-2011, 10:29 PM
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Car: 87 Camaro Z-28
Engine: 305 LG4 w/ E4ME carb
Transmission: 700R4
Axle/Gears: 2.73
Re: 700r4 compatibility question

Originally Posted by DoubleADuster
I have an 87 trans am with a bad transmission. I was recently able to pick up a good transmission out of an 83. I was wondering what kind of problems I could run into and if will even work to switch em? Thanks
not an expert but the spline wouldn't match: https://www.thirdgen.org/replace-700...c-transmission
Old 02-15-2011, 12:36 PM
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Car: 1992 RS
Engine: Carbed 350
Transmission: 700R4
Axle/Gears: 3.42 posi
Re: 700r4 compatibility question

Also - not sure about spline counts, but in mid year 1987 they beefed up the internals on the 700R4, so if splines will match you'd be much better off with a 1988+ 700R4.
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