Has anybody had a driveshaft failure on a stock car?
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Joined: Dec 2011
Posts: 381
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From: Dallas Texas
Car: 1985 IROC
Engine: 305 TPI
Transmission: 700R4
Has anybody had a driveshaft failure on a stock car?
My vibration is minimal yet still annoying on the highway. I have an opportunity to buy a 93-02 aluminum driveshaft and was wondering if I am over reacting.
Joined: Jul 2000
Posts: 6,530
Likes: 94
From: Aridzona
Car: `86 SS / `87 SS
Engine: L69 w/ TPI on top / 305 4bbl
Transmission: `95 T56 \ `88 200-4R
Re: Has anybody had a driveshaft failure on a stock car?
Lots of people here using a thicker, firmer poly trans. mount have vibration issues. I'd start there. Vibrations are tricky to track down; feel free to post more detail.
For a stock car, a 4th gen driveshaft would be fine. For a strength upgrade, I'd skip them since some were thin-wall, cardboard damped compromise.
For a stock car, a 4th gen driveshaft would be fine. For a strength upgrade, I'd skip them since some were thin-wall, cardboard damped compromise.
Joined: Aug 1999
Posts: 19,282
Likes: 103
From: Lawrence, KS
Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
Re: Has anybody had a driveshaft failure on a stock car?
Do you have the single-piece trans cross member or the type with the secondary cross member (my 85 was equipped with this latter)? In either case, worn mounts might be the issue. I'd verify that before I dove off the deep end.
And if you find that you have the secondary cross member, you might consider swapping it for the single-piece.
BTW, if you've installed a poly mount, you may find the link below interesting:
https://www.thirdgen.org/forums/tran...ison-pics.html
JamesC
And if you find that you have the secondary cross member, you might consider swapping it for the single-piece.
BTW, if you've installed a poly mount, you may find the link below interesting:
https://www.thirdgen.org/forums/tran...ison-pics.html
JamesC
Last edited by JamesC; Dec 14, 2011 at 06:56 AM. Reason: Additional Info
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