What is the correct lugnut style for IROC wheels?
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From: Albany, GA.
Car: 05 GTO, 88 GTA, 98 SS
What is the correct lugnut style for IROC wheels?
I wasn't sure if I should post this here or in the History board, but:
What is the correct style? Are acorn lugnuts ok? That's what I'm using and they seem to be digging into the wheel. My car has a shake at 55-60+ MPH and I wonder if the lugs have messed up the wheels. Thanks.
What is the correct style? Are acorn lugnuts ok? That's what I'm using and they seem to be digging into the wheel. My car has a shake at 55-60+ MPH and I wonder if the lugs have messed up the wheels. Thanks.
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From: Readsboro, VT
Car: 85 IROC-Z / 88 GTA
Engine: 403 LSx (Pending) / 355 Tuned Port
Transmission: T56 Magnum (Pending) / T5
Axle/Gears: 3.42 / ?
it should be the acorn style. If you look at your wheels, you can clearly see the tapered seat.
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Joined: Jun 2003
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From: Massachusetts
Car: candy blue 85 z28
Engine: 305 tpi LB9
Transmission: 700r4 crazy beefed up one
Axle/Gears: ones with teeth
can you post a pic? if the wheel was run loose it will egg shape the hole. you may also just need a wheel balance maybe you lost a weight. if the vibration is only in a small range of mph it sounds like balance. if you feel it in the seat it is the rear wheels if it is in the steering wheel it is the fronts.
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