Can anyone please give me the GM part # of the aluminum drive shaft that will fit the 700r4 and t56 cars? Thanks

 

12564003
LS1 driveshaft $208.49 at www.gmpartsdirect.com

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1986 IROC
New Crate 350 w/Vortec Heads, Edelbrock 2116 Vortec Manifold, Edelbrock Performer 2102 Cam, Edelbrock 1406 carb, Hedman shorty headers, Flowmaster Catback, Rebuilt 700r4 w/vette servo, etc..

[This message has been edited by valu8or (edited March 29, 2001).]

 

The 1LE shaft is GM part # 10085375.

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Which one would fit an 85 iroc with the 700r4? If both will fit which one is better?
Thanks

 

I'm not sure that I can reply responsibly. I've heard that the 1LE is a superior shaft, but I have no personal experience with the LS1. I do have, however, a 1LE in my 85 IROC--by the way, you'll require a different-size rear U-joint to make the shaft bolt up. Should you need it, let me know and I'll dig it up for you. Whether the 1LE is better or not I can't say, though many 1LEs were put into fourthgen cars with vibration problems. The 1LE is also, I believe, more expensive.

JamesC

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[This message has been edited by JamesC (edited March 30, 2001).]