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The mkiv Supra Owners Club

Poor grip at the front affecting backend?


hadyn
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Quick question, as I'm not the slightest bit inclined towards basic physics :)

 

If you're front tyres dont grip as much as the tyres you have on the back of a high powered RWD car such as a Supra, would these theoretically cause the backend to step out - e.g. no grip at the front, but plenty of grip at the back??....

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Possibly? If the front end was to go off-course then I suppose the backend wouldn't go where you wanted it to either due to weight of the car being moved?? (Say you go round a corner and the front slips, the the back end would push it further and then come round itself) Is that right???

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If the car doesn't have 'sufficient' grip all all four corners that would cause it to be unbalanced - and then something has to give. Being as the power is all at the back, that would be why it steps out.

 

Just a guess, like.

 

Does the front wash away at low speeds?

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Bad tyres / no grip at the front, as Pot says, can only cause understeer. It is possible to correct it with a sharp application of power to bring the rear round, but is inadvisable if you're not so good at the whole drifting thing.

 

If you go to a caterham drift day, the opposite is true. Soft track tyres up front, cheapo-nasty highly over inflated tyres at the rear.

 

Many modern cars have a little understeer in the setup because the opposite is far more dangerous/unpredictable.

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