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Kirkham Motorsports

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  #21 (permalink)  
Old 12-08-2018, 06:59 AM
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Thank you for the explanation!
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  #22 (permalink)  
Old 12-08-2018, 12:39 PM
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Quote:
Originally Posted by Cobra #3170 View Post
No, the fronts fit fine, the rear (355/30/19) is too wide though, the biggest tire I can fit under stock fenders is a 335/30/18. So we put fronts on the rear because the compound is stickier than Bridgestone's 71R compound.
Would the car be quicker if you could stuff those 355s under the rear? I think with the right rims I could go about another 2" on the rear at least.

Those 25 ratio tires have very short sidewalls. Must work ok. Cannot argue with your results!
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Old 12-08-2018, 03:02 PM
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Default Rear Tires

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Originally Posted by t walgamuth View Post
Would the car be quicker if you could stuff those 355s under the rear? I think with the right rims I could go about another 2" on the rear at least.

Those 25 ratio tires have very short sidewalls. Must work ok. Cannot argue with your results!
To be honest with you I don't know, we beat the Summit boys by 1 second when they were on Rivals and we were on Bridgestone's and both of us had big rears. We beat them by 1 second when they had big rear Kuhmo's and we had small rear Kuhmo's so it is hard to project. What we lose on the launch we gain back in corner speed. Applies to small tight courses only 355's would be better on high speed stuff.
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  #24 (permalink)  
Old 12-08-2018, 03:44 PM
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Thanks for that additional info!
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Old 03-11-2020, 05:00 PM
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Goodguys starts up this weekend. Any planned events?
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