GT3 .2 Tires Slipping on Wheels
#16
Racer
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I am planning to have Trofeo R after my PS2 but with this issue it is really unpleasant, specially for daily driving I need to do wheel balance each month
#17
Race Director
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Again I posted how to eliminate this....it's simple....
Rough up the bead of the rim where the tire grips the rim. I used extremely course Emory paper and a knurled file. Or have a race shop bead blast the rim. Also mount your tires dry or use Aquanet hair spray to mount.
Also tape your wheel weight down with silver A/C tape.
#19
Rennlist Member
Thread Starter
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Is this really not clear that opposite sides of the car will rotate the tire in different (cw or ccw) directions, so you saying since it rotates one way versus the other is of no consequence...also the tire will rotate in the same direction relative to the wheel if it slips due to acceleration or braking. Think about accelerating first looking at passenger side rear wheel: the wheel is being turned by the axle clockwise, so if it slips the tire will move counterclockwise relative to the wheel. Think about braking: the tire is being deccelerated and the wheel is trying to spin clockwise within the tire, so the tire will move counterclockwise relative to the wheel. So you will not be able to tell the difference. That being said it is happening under braking...
#20
Rennlist Member
Thread Starter
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I agree--with acceleration. BUT, braking should cause wheel to spin opposite that of braking --here's why: the caliper is slowing the wheel not the tire. Therefore, if there is slip, shouldn't the wheel move less than the tire that is gripping the ground? Thus the tire would move clockwise on the passenger rear with braking, while it moves counter-clockwise relative to the rim with acceleration. Opposite. To really make it clear--take it to the extreme: imagine the caliper locking the wheel at speed. The wheel now moves zero degrees--i.e. locked. But the tire is sticky, grabs the pavement, and want to keep rotating--moving clockwise relative to the wheel. Opposite that of slippage under acceleration.
#21
Addict
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But if you can spin the tires relative to the wheels under acceleration then you have the strongest GT3 motor in the world.
#22
Rennlist Member
Thread Starter
#23
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Yes- Aquanet extra hold hairspray. If you are at the track and they rotate best to remove all the weights. You can also balance unmounted wheels then balance with tires and mark. if they move you just move the weight.
Ah - memories of my 930.
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#24
Race Director
#25
Race Director