trans speedo gear
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Joined: Aug 2006
Posts: 71
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From: Pennsylvania
Car: 1991 Z28 (sold), 1987 Buick GN
Engine: L98 TPI, bored 0.040 over
Transmission: TH350, 2400 stall, shift kit
Axle/Gears: 10 bolt w/eaton locker, 3.42 gears
trans speedo gear
I recently bought a 91 Z28, its a 305 TPI with a 2.73 10 bolt posi, and a 700R4. I want to swap in a Auburn posi unit I have which is equipped with 3.73 Richmond gears. My question is does anyone know what speedometer drive gear I will need? Also the car has 255/50ZR16's on it. Any help is greatly appreciated.
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