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Discussion Starter · #1 ·
well im not sure what tire to go with for my front wheels (18x10). my first thought is more rubber on the road would be better so i was thinking of going with the 285s of that would give more sidewall flex right. so maybe the 275s would be better and more responsive. what would you guys recommend? should i use a different tire size all together? any info would be great. thanks
 

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more tire the better in the front of the supra. but making sure they don't rub will be tough.
 

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I thought the "classic CCW" fit on front was 18" X 10" with a 285/30 front tire. Any reason you can't do that size? The sidewall would be even less, over 1/2" smaller (285/35 @ 99.75mm vs 285/30 @ 85.5mm) giving even better steering response. Overall tire diameter also effects steering, for stock it's 25.33"; for 285/35 X 18" it's 25.85; for 285/30 X 18" it's 24.73, so again 285/30 is smallest but 285/35 is closer to stock.
 
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i talk to standalone about this and he said the rears would be 19x12.5 with 345/30 if they fit. this is all after he does a TRD widebody.

also i dont think it will be seeing the track a lot but maybe somtimes.
 

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If you don't track it then it won't matter as much, but I would think that with 12.5's on back with 345's and only a 10" on front even with a 285, the car would not be well balanced ...as far as under/oversteer
 

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Discussion Starter · #7 ·
i am concerned with the balance as well, but when i was trying to find a starting point i looked at the 06 viper and it has 13" w/345s out back and 10" w/275s up front and 06 zo6s have 12" w/325s in back and 9.5" w/275s up front, so i figure it cant be that unbalanced. if anyone has experince with a set up that has been mentioned please chime in.
 

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Well I think a "safe" street tire f/r combo is not necessarily "well balanced" and good for track use ...but again, I don't mean to beat the track performance to death if you are interested in street performance; that gives you more flexibility since you don't "need" perfect.

For example, while the street Viper has the 345/275 combo you mention above, the Viper Competition Coupe comes with factory setup of 305/645-18F and 345/690-18R.
 
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