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Author: Subject: suspension set up
rjs

posted on 17/9/06 at 07:45 PM Reply With Quote
suspension set up

can anyone give me a few ideas , on hard driving (cornering) ive got understeer on the way in to the corner & get oversteer on the way out .
ive put the oversteer down to having LSD could i be right about this .
All of course within the speed limits .

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leto

posted on 17/9/06 at 08:52 PM Reply With Quote
Could be an Ackermann effect, is your steering rack far behind the joints?





“I'm gonna ride around in style
I'm gonna drive everybody wild
'Cause I'll have the only one there is a round”. (J. Cash)

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TangoMan

posted on 17/9/06 at 11:05 PM Reply With Quote
What tyre pressures are you running and what spring poundages do you have.??

It may be a poorly set up front geometry leading to understeer but too hard rear springs giving the oversteer.

I bet it feels a bit nervous though. The transition from US to OS must be interesting

I would work on trying to reduce the understeer first and then move to the back to work on the loose rear end.

This assumes of course that it is not your technique that's at fault





Summer's here!!!!

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Chippy

posted on 17/9/06 at 11:16 PM Reply With Quote
Try setting your front camber to zero, IE niether pos nor neg, just bang upright. Try how that affects the understear, if you still have it, (which I would doubt), put on half a degree of neg camber. IE top of wheel leaning in. If that doesn't cure it, then I personaly havn't got a clue. . Overstear is easy to cure, keep that lead foot of the accelorator. atb Ray
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zetec7

posted on 18/9/06 at 04:56 AM Reply With Quote
I concur - try playing with the front camber a little. Some negative initial camber should tone down the turn-entry understeer. And the LSD will definitely give exit oversteer if you are heavy of foot, or if the road surface is at all damp I had a powerful car with LSD - it had horrific understeer in, and uncontrollable oversteer out...it was undriveable on the street, and I sold it!).
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rjs

posted on 18/9/06 at 05:54 PM Reply With Quote
Thanks all ive also been talking to a mate who used to race bikes (i know a bit difference) but he say try softerning the damping rate on the front shocks .

Thanks

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