Suspension Springs, struts, coilovers, sway-bars, camber plates, and all other modifications to suspension components for Cooper (R50), Cabrio (R52), and Cooper S (R53) MINIs.

Suspension losing traction under hard acceleration

Old Jul 21, 2013 | 05:31 PM
  #1  
zirconmr2's Avatar
zirconmr2
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losing traction under hard acceleration

hi guys,
under hard acceleration i seem to be losing traction at the front, (it feels very light)
my suspension is new, D2 coilovers, with seperate ride height and damper settings, i am lowered about 35mm all round. damper settings are from 0 to 32, currently 15 at front, 8 at rear. any more and the ride gets crashy.

tyres are also new, hankook ventus evo non runflat.

is there a way to combat this. maybe more negative camber at the front?

any help welcomed.
thanks
 
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Old Jul 21, 2013 | 06:02 PM
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hsautocrosser
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I would think more negative camber would make it worse. You may have some mold release to wear off of your new tires. Too much tire pressure could be hurting the traction. Did you check your corner weights?
 
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Old Jul 21, 2013 | 06:45 PM
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Originally Posted by hsautocrosser
I would think more negative camber would make it worse. You may have some mold release to wear off of your new tires. Too much tire pressure could be hurting the traction. Did you check your corner weights?
thanks for the reply


i have camber adjuster at the front, they are set at .5 negative, tire pressure is 38psi (as per owners manual) corner weights are a mystery to me, is this the preload on the springs? i followed D2`s instructions, they said no preload in the manual, i added probably 3mm, would not think that amount was critical.

i dont get a traction light coming on, i used to have a fiat and it had bad tie rods, when you put your foot down the front of the car lifts, and it feels like it is skating on either the inner or the outer of the tyres.

would toe have changed dramatically, i had an alignment done when fitted but have since lowered a bit more, would toe in/out cause this?
 
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Old Jul 21, 2013 | 08:20 PM
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maxmini
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I run 1.5 negative for everyday driving and -3.0 for track with a Quaife LSD.

Traction issues are manageable .

Randy
 
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Old Jul 21, 2013 | 10:19 PM
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hsautocrosser
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Corner weights are literally what each corner of the car weighs with scales under the tires. I'm assuming your coil overs have adjustable ride height. Raising or lowering a corner affects the weight on that corner and the opposite one. I wouldn't bother with this until all other more likely causes were eliminated.

I'll let someone else answer the toe question. Neither -0.5 degrees nor 38 lbs. are likely to cause a problem. I'd run the tires in for a couple hundred miles and then revisit it unless it is really bad.
 
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Old Jul 22, 2013 | 06:01 AM
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Put some miles on the tires and report back.
 
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