Dan91Z

I was wondering what a good price is for a new one, and a good price for a used one..
And, what effects will a lighter drivehsaft have on the engine, etc... like vibrations, etc..

Kevin Irving

I don't know how much the new ones go for, probably around $250 or so. I paid $150 for mine used out of a 91 1LE, and can't see paying much more for a used one than that.

As far as vibrations, the aluminum driveshaft is balanced a LOT better than the steel one and the vibration that I got at 40mph suddenly went away the minute I installed my aluminum driveshaft.

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Kevin Irving
85 Trans Am WS-6, 305 TPI, custom burned '86 PROM with '87 "165"ECM, Accel Supercoil & 8.8 Wires, MSD 6AL, Aluminum Driveshaft, Wonderbar, TB Coolant Bypass, Ported Plenum, Modified MAF, Syclone Fuel Pump, JET Airfoil

15.556 @ 86.65mph, Nov 10, 2000.... I know it sucks.. but it will get better!

http://www.geocities.com/transam85tpi/

Member - The Tidewater Trans Am Club, Norfolk VA http://www.geocities.com/ttacva/

Mach5

The ALuminum driveshaft also hass a lowe moment of inertia therefore makngit esier on the engine when it is trying to turn it. It lowers driveline mass allowing the engine to rev faster.

jcb999

you can get one from gmpartsdirect.com for about 198 (mine was 227 shipped).