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Join Date: Oct 2006
Location: va
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Thrump when cornering

I have a thrump thrump noise from the right rear when cornering. It is on the 87S car with the flatdish 16" rims, with an oversize tire (225/50-16) on the rear. Accordingly these are the correct offset for a late car, and one tire size over stock is permissible. Could it be the wheel tire setup causing it or should I look elsewhere?

Old 04-12-2015, 04:57 PM
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Proprietoristicly Refined
 
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Join Date: Jul 2001
Location: ~Carefree Highway~
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CV Joints?
J_AZ
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1988 924S, 85,750K ..+ 1987 924S, 154K DD (+15K est. bad odo)
Old 04-12-2015, 08:01 PM
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White and Nerdy
 
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Join Date: Jun 2004
Location: South of Charlotte N.C.
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Check in order of easiest to fix.

Wear from tire making contact with body.

Lugnuts Tightened correctly.

Wheel Bearings tightened Correctly.

Next would be your axle joints.
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Old 04-12-2015, 09:18 PM
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Location: Cincinnati, Ohio
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I bought a car with loose cv bolts that was thumping as I turned. I tightened the bolts and never heard a sound again.

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'87 951 Nile Green, '86 951 Black, '86 951 Sapphire Metallic, '87 944 Nautit Blue, '84 944 Black (sunroof delete) "Track Beast!," '87 944 Black (LSD, Konis) (wife's track car)
Old 04-15-2015, 10:55 AM
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