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Wheels | Tires | Spacers | Hub -- Sponsored by The Tire Rack Specific topics relating to wheels and tires.

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Old 12-30-2013, 07:05 PM   #1
Mathewgzlz
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Lack of traction

Just looking for some advise before I make any purchases but I recently went turbo and I ordered 255/40/18 for the rear and there Michelin pilot super sports. However if I go WOT even at 55 the back end just starts spinning what have my fellow power junkies done to help keep there rear end on the ground


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Old 12-30-2013, 07:15 PM   #2
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Smooth application of throttle pedal.
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Old 12-30-2013, 07:16 PM   #3
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Smooth application of throttle pedal.

Lol


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Old 12-30-2013, 07:32 PM   #4
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Cant go much wider than that on the stock body, how much power are you making?
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Old 12-30-2013, 07:32 PM   #5
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Roughly 300


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Old 12-30-2013, 07:32 PM   #6
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Give or take 10hp


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Old 12-30-2013, 07:56 PM   #7
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Lightweight car with a lot of power on street tires. Gonna have to be pretty easy with the throttle modulation or go to a street radial.

Wouldn't happen to know how much torque would you? Breaking lose from WOT in the top of the rev range or from 2500?
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Old 12-30-2013, 08:20 PM   #8
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Try to get some anti-squat out of the rear suspension, let it squat more under acceleration?
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Old 12-30-2013, 08:27 PM   #9
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I'll be able to tell you how much tq tomorrow and around the top end I normally don't like to speed on the street but I've been driving it pretty hard since I just got it back from my shop and if there's anything wrong with it I want to know before I drive back to nc


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Old 12-30-2013, 08:58 PM   #10
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300hp + 55 mph + 255/40/18 PSS and "the back end just starts spinning" dose not add up!

Things to look at:
tires way over inflated?
do you have mad camber so only half your tread is on the ground?
800lbs springs with 1.5 in drop? (IE no squat)?
are the roads covered in snow, ice or lots of water?
are you dropping the clutch at max TQ to try and spin the tires?
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Old 12-30-2013, 09:24 PM   #11
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something isn't right, you should have no issue hooking up at that speed and power.
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Old 12-30-2013, 09:27 PM   #12
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Only a very very slight camber till I can roll the fenders and adjust everything


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Old 12-30-2013, 09:46 PM   #13
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Quote:
Originally Posted by SpeedR View Post
300hp + 55 mph + 255/40/18 PSS and "the back end just starts spinning" dose not add up!



Things to look at:

tires way over inflated?

do you have mad camber so only half your tread is on the ground?

800lbs springs with 1.5 in drop? (IE no squat)?

are the roads covered in snow, ice or lots of water?

are you dropping the clutch at max TQ to try and spin the tires?

I'll look into this and see if it helps thanks guys



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Old 12-31-2013, 08:46 PM   #14
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Another thing to check is air/pavement temperatures... if the tires are too cold they won't stick well at all.
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