Rear end knockng.
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Junior Member
Joined: Aug 2009
Posts: 48
Likes: 0
From: Southeast United Kingdom
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
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iTrader: (9)
Joined: Nov 2008
Posts: 473
Likes: 2
From: Norristown PA
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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