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Why don't you guys 245.35.19?

Old 09-18-2013, 01:53 PM
MSR Racer
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I had MPSS 245 on the front on 997 C4S on the track. No issues. felt better if anything.
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Old 09-18-2013, 04:36 PM
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I am running 11" in the back
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Old 09-18-2013, 04:39 PM
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I don't use 19's because I don't like 19's.... 18s are smoother and do the job well and absorb more from bad roads.
Width wise, I stick with what the car was designed with.
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Old 09-18-2013, 07:47 PM
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Originally Posted by rijowysock View Post

if they picked the ****ty conti's because of their "rigorous testing" then i can no longer trust their decisions.. the stock tires were crap, and 235's too narrow.. they need the car to be naturally "understeer" happy for US regulations... therefore... narrower fronts.
Just curious, what US regulations address understeer?
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Old 09-18-2013, 07:52 PM
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Originally Posted by joelpirela View Post
I am running 11" in the back
325 on a 11" is a little too wide i feel..

i might try 325 next time around, i know its the gt2 setup!
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Old 09-19-2013, 12:50 AM
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Originally Posted by Dplus View Post
Just curious, what US regulations address understeer?
Good point. My AP1 Honda S2000 my have violated several regulations because that was one oversteering mother.
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Old 09-24-2013, 12:19 AM
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1) I was just about to buy a new set of tires for my '06 C4 wide body. I just got a set of 19" oem Lobster Forks (ET 57 and 51) and was planning on going with the stock 235 and 305's. Do you guys think that I should go with 245 and 325's instead?

2) Will I need to get spacers?

3) If so, how many millimeters front and rear?
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Old 09-24-2013, 08:55 AM
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