Bad Vib's - Team Camaro Tech
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post #1 of 5 (permalink) Old Jul 5th, 06, 05:01 PM Thread Starter
 
Join Date: Jul 2006
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Bad Vib's

I have a '67 camaro that still shakes starting at about 60 mph. I have rebuilt the front end (all stock except for I cut a coil from the springs), I have new BFG's and new American Racing aluminum wheels, balanced the drive shaft...and I still have the same heavy vibration that I had at the start. I cannot feel the shake so much in the steering wheel, as I do in the seat (start the bad jokes here!!). Does anyone have any suggestions on what to look at next. All the items listed above were in bad shape and needed replaced/rebuilt, so I'm not just throwing parts and money at it.
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post #2 of 5 (permalink) Old Jul 5th, 06, 05:31 PM
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Robert
 
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Re: Bad Vib's

what engine/trans combo and what rear end. I had a bit of a driveline vibration that was solved by a friend properly setting up the rear end. I think the folks here can point you in the right direction provided they have enough information. I cannot offer specific info on what he did but after he worked on the car the vibrations were gone.

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post #3 of 5 (permalink) Old Jul 20th, 06, 05:19 AM
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Dave
 
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Location: Rhode Island
Posts: 1,356
Re: Bad Vib's

Here's a nice .pdf document on chasing down vibration gremlins in a first gen Camaro: http://csgbenefits.org/camarovibration.pdf


Also, below is from another post -
Cyclic vibrations are usually due to an angle issue with the drivetrain. Randy's Ring and Pinion has some usefull info on vibrations.
http://ring-pinion.com/content/techn...lt.asp?pid=114

Good article on driveshaft angles.
http://superchevy.com/technical/engi...203sc_driving/

Basically, angle A should equal angle B, both vertically and horizontally.


-

Dave F. in Rhode Island
'68 Camaro SS Accel DFI 454 (SOLD - I'm a boring Corvette owner now)
Bought my first big-block Chevy in 1970
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post #4 of 5 (permalink) Old Jul 20th, 06, 05:36 AM
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Join Date: Oct 2004
Location: chicago
Posts: 1,131
Re: Bad Vib's

JUst for grins try rotateing the shaft 180 degrees at the rear yolk. It did help mine, however changing the body bushings finished it. I had a light vibe around 70 . I installed O.E. style body bushings and walha!
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post #5 of 5 (permalink) Old Jul 29th, 06, 06:45 PM
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Bill
 
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Location: Columbia, S.C.
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Re: Bad Vib's

Check your rear axles also, one of them could be bent.

ucdog aka Bill
1969 Camaro Z28 "recreation",350 sb,tko 600, 12 bolt/410, 4 wheel Wilwood disc brakes, and 17" Tourqe Thrust rims.
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