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Join Date: Apr 2002
Location: Concord, NC
Posts: 810
Grinding when under load on RH Turns...

This past weekend at the track I was experiencing a grinding/vibration in RH corners, especially in RH corners with alot of load on the LR.

I didn't hear anything (of course my car is freaking LOUD), it was more that I could feel it grinding, and I could sort of feel the resistance. It would get worse as a session progressed, or once things got warmed up.

I'm guessing it's the LR wheel bearing.

We rebuilt the left side (drivers) axle at the track with new CV joints/boots, grease, etc. but it made no difference.

Any other thoughts? Could it be the diff? I can't imagine the DIFF would cause a grinding feel in RH corners??? or could it???

Any thoughts???

FYI - in the pits, weaving back and forth, if its doing it at all, you can barely notice it. I didn't really notice it in the pits or going down the street at say 25mph weaving back/forth...


Brian
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Brian Keith Smith
Competition Custom Paint
1983 930
My Track Videos
TEC3 EFI Conversion on 1983 930
Old 05-30-2007, 07:20 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #1 (permalink)
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Join Date: Aug 2006
Location: Australia
Posts: 130
It probably is the wheel bearing but also check to make sure the tyre isn't rubbing on something.
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1981 930 headers, K27, 1 bar spring
1988 951S work in progress
Old 05-30-2007, 10:34 PM
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Join Date: Jan 2007
Location: NH
Posts: 135
toally diff. car but similar situation
in a bmw 318ti I thought I had a wheel bearing going south at the track
turned out to be popped motor mounts
$.02
john
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john bradshaw
comscc.com
porsche 930rs
SPA #227
Old 05-31-2007, 08:14 AM
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Join Date: Apr 2002
Location: Concord, NC
Posts: 810
thanks guys...
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Brian Keith Smith
Competition Custom Paint
1983 930
My Track Videos
TEC3 EFI Conversion on 1983 930
Old 05-31-2007, 08:31 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #4 (permalink)
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