Rear end knockng.
12-24-2009, 09:34 AM
#1
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Car: 1991 Z28
Engine: 350 tpi
Transmission: Auto
Axle/Gears: LSD
Rear end knockng.
Hi guys. 91 Z28. If you floor it off the line there is a knock coming from the off side rear. Anything over 70mph there is a vibration that gets worse the faster you drive. Had it on a ramp and everything looks ok carnt see anything warn. New wheel bearings and rebuilt diff also replaced the ujs in the prop. Everything nderneith looks good so have no idea so wondered if you guys had any great ideas Many thanks and merry Christmas
12-26-2009, 08:08 PM
#2
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Car: 86 Firebird LG4
Engine: 350
Transmission: 700r4
Axle/Gears: 3.23 limited slip
Re: Rear end knockng.
for the vibration going 70+ you probably need an alignment done .
12-26-2009, 10:26 PM
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Car: 88 Firebird.
Engine: 383 HSR
Transmission: 700R4
Axle/Gears: 9 Bolt, 3.27:1 Diskbrakes
Re: Rear end knockng.
Trans mount could be the knocking when you punch it. They're pretty cheap too
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