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Thread: Prepping Tires?

  1. #1
    Join Date
    Jun 2014
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    Prepping Tires?

    How much less should you roll in the LR? Just to keep it simple if I roll 100cc how much would I roll in the LR?

  2. #2
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    Oct 2013
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    I expect it may vary from brand to brand. The brand I learned called for a 50% reduction in the LR. That would seem to be a good place to start.

  3. #3
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    Ask the manufacturer or tire man on what they suggest. I usually do 25cc less in lefts.
    Also depends on type of kart and age.

  4. #4
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    Yep, depends on chemical used and how much of it.
    As Earl pointed out, some chassis, particularly a few years ago, liked the lr a bit harder than the right side so that figures into the equation as well. High cross vs low cross, how long is the kart setting on that LR tire, etc.



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  5. #5
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    As Brian said, depends greatly on the chassis. Our Prowler will get tight and lock down if the LR isn't 10 points harder than the RR. I use a low rubber, worn out LR and just barely prep it.

  6. #6
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    There is a lot of variables there. The Tire, the tire age, brand of chassis, driver size, etc, etc. I would experiment and figure out what works best for you. I typically roll 10cc less in the LR.
    Chris Harris
    www.tracktac.com
    www.venomjuice.com
    charris@attl.com
    336-474-3500 (W)
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  7. #7
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    Oct 2013
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    Heart of Nascar Country North Carolina
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    Quote Originally Posted by kartracer01 View Post
    How much less should you roll in the LR? Just to keep it simple if I roll 100cc how much would I roll in the LR?
    Going on just durometer reading you will want 2 to 7 points harder left rear. It will depend of the Chassis mainly and then all the other factors listed.
    R E Ransom
    Track TacŪ
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    W4PSF
    A winner is just a loser who gave it one more try.
    We will need John Galt.

  8. #8
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    I use 2/3 in LR as compared to RS's, 1/2 in LF as compared to RS's

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