85 Vibration Problem

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Mar 6, 2007 | 09:51 PM

selkirk24

Thread Starter

Racer

Joined: Oct 2004

Posts: 278

Likes: 23

From: Rock Hill, SC [RCG] KANUCK

85 Vibration Problem

Hope someone can steer me in the right direction on this. My 85 starts to vibrate after I get above 70mph. Below that, can not feel any vibration.
I know it is not the wheels or tires as I have had 2 different sets on it and they both do the same thing.
Also, have changed my u-joints and rear transmission seal and bushing also, neither of those things have helped either.
Can feel the vibration in the steering wheel along with the seat of my pants.
What should I be checking for next?
Thanks

Mar 6, 2007 | 10:07 PM

89er

Racer

Joined: Dec 2006

Posts: 292

Likes: 0

Quote:

Originally Posted by selkirk24

Also, have changed my u-joints and rear transmission seal and bushing also, neither of those things have helped either.

Did you replace all six u-joints or only the two on the driveshaft?

Mar 6, 2007 | 10:57 PM

corvettedan22

Melting Slicks

Joined: Jan 2004

Posts: 2,659

Likes: 3

From: Oxford CT

mabee at one point in its life it was in an accident.

Sometimes are are never the same ??

Mar 7, 2007 | 05:22 AM

selkirk24

Thread Starter

Racer

Joined: Oct 2004

Posts: 278

Likes: 23

From: Rock Hill, SC [RCG] KANUCK

Have only replaced the ones on the driveshaft, did not change the ones on the halfshafts, maybe that should be my next step.

Mar 7, 2007 | 07:40 AM

newcastle3

Racer

Joined: Sep 2004

Posts: 430

Likes: 2

From: Sellersville, PA

St. Jude Donor '10

I had a bad front end vibration at the same speed, for me the fix was new shocks.

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