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Vibration

Forum: C3 Engines, Driveline and Handling

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Vibration

Posted: 12/5/04 8:39pmMessage 1 of 4
B
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Torrington, CT - USA
Joined: 4/24/2002
Posts: 18
Vette(s): 1977 White Coupe 350/350 Crate Engine, Headman Headers, True Dual Exhaust, Edelbrock Carb, Manifold, Comp 292 Cam. 350 Auto w/ 2600 stall T-Tops, AC
I have a vibration at about 70 that seems to be drivetrain related.
If I shift into neutral and let the engine idle down the vibration is still there. It seems worse at a constant speed than when accelerating or decelerating.

The transmission has been rebuilt, but most else is probably original.

Thamks for any help you may have to offer.

Beardface.




|UPDATED|12/7/2004 8:45:00 PM (AZT)|/UPDATED|
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Vibration

Posted: 12/5/04 8:54pmMessage 2 of 4
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Hot Springs, AR - USA
Joined: 4/24/2004
Posts: 3236
Vette(s): 69 Conv #'s match 427, TKO-600/.64, 3.36HD-Posi, HT, T/T, PS, PB, PW, SP, Leather, Comp XE264HR & Roller Rockers & Lifters, Air-Gap RPM intake, Holley St Av 770 VS, MSD 6AL+Dist+Blaster SS, K&N, Jet-Hot Hooker Side-Pipes, Steeroids, Al Rad, Spal Fans
i would check u-joints first..
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Vibration

Posted: 12/6/04 10:52amMessage 3 of 4
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Easton, PA - USA
Joined: 11/6/2003
Posts: 232
Vette(s): 1973 Coupe 350 Auto.T-Tops L48,65450 miles.
After you check your u-joints make sure all the yokes line up.If their not you will also get a vibration.
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Vibration

Posted: 12/6/04 11:27amMessage 4 of 4
M
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Marion, IA - USA
Joined: 4/24/2004
Posts: 317
Vette(s): 1969 Corvette Stingray Convertible. Just bought it from my uncle who owned it since 1971. Fathom green, green interior. 350/300, T400.
There's a few things to think about. I had a car once that had the driveshaft out of balance, got it balanced took care of the problem. I have a vibration at about 3500 rpm on up, whether it's in park or driving, it's the exhaust pipes vibrating. That one took a while to figure out.

Matt
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