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Old 05-19-2009, 10:27 PM
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BLUE427 BLUE427 is offline
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Join Date: Apr 2007
Location: PL, MN
Cobra Make, Engine: SUPERFORMANCE ROUSH427 TRI POWER
Posts: 54
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Quote:
Originally Posted by blue427 View Post
bart, i had the same problem with my spf , 2585. I originally had the factory eagle gt ii's on the 15 inch rims and all was fine.i then replaced them with pse 17" and michelin 275's in the front and 335's in the rear. Then i gained a vibration at the 65-70 range, if i accelerate past that point , it goes away. Sounds like the same condition as you have. I know the allignment and everything else is fine, as it did not shake with the factory ones on it. I am going to road force balance them soon, and if that doesnt help, just deal with it i guess. Good luck,
marty

i had my 17 inch pse , and michelin pilots road force balanced and the problem has gone away, that was the culprit. The car drives as good as new now, what a joy. I am going to re balance (road force)the 15 inch factory wheels,and eagle gt 11's next, the guy at the tire shop says they can go out of balance. I hope it helps the way it did for the 17 inch wheels.

Marty
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