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Kirkham Motorsports

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Old 01-11-2011, 08:27 AM
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Join Date: Aug 2007
Location: Carlsbad, Ca
Cobra Make, Engine: SPF 2932 with 438 Lykins Motorsports engine. Previous owner of FFR 5452.
Posts: 2,617
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You're not going to like my answer:

After many attempts to smooth out my front end vibration using a variety of balancing methods, with mediocre results, I took them to an "old school" guy that has a pre 70"s machine that actually spins the wheel and tire while on the car and then he "magically" starts attaching weights to the inside of the wheel till it spins without any vibration whatsoever. He gauges the vibration by spinning the wheel to about 90MPH and then letting it coast back down while his hand rests on the fender. When he feels no vibration during the spin down, he is done.

After 45 minutes and many tries, he finally came to me and said that the only way to eliminate ALL of the vibration would be to attach a small weight or two to the outside of the wheel (as well as several to the inside).

I didn't want to ruin the look, but the vibration at 65 MPH really bugged me, so I gave him the OK. He attached two small weights to the outside of both my front rims and the vibration is gone. Smooth as glass at all speeds now.

If you can accomplish the smoothness you want with just weights on the inside, let him do it. If not, you might want to consider this alternative.
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Jim

Last edited by jhv48; 01-11-2011 at 08:30 AM..
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