Meaty Tire Thread

[BlaineWasHere]

Originally Posted by HachiRo

Anyone running RS3s on 17x9? I'm wondering if I should go 255 or 245. I like the square tire look, will be doing spirited driving, but I'm definitely too amateur to notice the difference in grip I'm sure. Would it still be a better future investment to go 255?

For autoX the 245 RS3s were faster on this chassis than 255s on 17x9

We've all moved onto the new Bridgestone RE71r but we are all running 245/40 on 17x9, not 255s.


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[BlaineWasHere]

Originally Posted by TRDGriffon

Thanks! Sorry for the late reply but the wheels are 18x9.5 et38, 255/35R18 tires, running coilovers and adjustable lcas. 1.6 degrees of camber up front and 2.8 in the rear.

You should flip the camber front to rear if you actually want your car to handle properly.

I run -3F and -1.8R


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[cjd]

Originally Posted by BlaineWasHere

For autoX the 245 RS3s were faster on this chassis than 255s on 17x9

We've all moved onto the new Bridgestone RE71r but we are all running 245/40 on 17x9, not 255s.


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I still have 255 in the RE71R... Need to take some camber out in the back though, -3.3f/-2.8r, think I may go to -2.3r. Wear in the front seemed pretty good so not sure it's too much, but pondering a change to -3/-2

[TRDGriffon]

Originally Posted by BlaineWasHere

You should flip the camber front to rear if you actually want your car to handle properly.

I run -3F and -1.8R


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I'm well aware my alignment specs aren't ideal for handling, but the car is just a weekend car at them moment and with just over 1k miles I have no desire to take it to the track any time soon. My main goal was to fit as much wheel/tire as I could without modifying the body. When I can afford some RCE T2s then I will start worrying about having an alignment more geared towards handling. But for now unfortunately form>function.

[BlaineWasHere]

Originally Posted by cjd

I still have 255 in the RE71R... Need to take some camber out in the back though, -3.3f/-2.8r, think I may go to -2.3r. Wear in the front seemed pretty good so not sure it's too much, but pondering a change to -3/-2

Have you tried 245 stones??? I'm about to buy a new set for 2016 season and I can fit 255s. I've tried both in RS3 (which 245 was preferred for me personally) but this a new tire.


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[BlaineWasHere]

Originally Posted by TRDGriffon

I'm well aware my alignment specs aren't ideal for handling, but the car is just a weekend car at them moment and with just over 1k miles I have no desire to take it to the track any time soon. My main goal was to fit as much wheel/tire as I could without modifying the body. When I can afford some RCE T2s then I will start worrying about having an alignment more geared towards handling. But for now unfortunately form>function.

Oh are you not on coils? I didn't catch that. Makes a huge difference in clearance for wide wheels/tires and stock fenders.


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[cjd]

Originally Posted by BlaineWasHere

Have you tried 245 stones??? I'm about to buy a new set for 2016 season and I can fit 255s. I've tried both in RS3 (which 245 was preferred for me personally) but this a new tire.

I haven't. I found that I was dropping pressures toward the end of the season (confidence finally improving, though surface temps also dropping.) That's contrary to what I've heard others say they did with 255's, but my times were improving quite a bit and I wasn't having issues rolling over the sidewall. Some of that may have been the camber thing. I imagine a lot will change after the camber change.

It should also be noted that I have very different spring rates than many seem to run, so even if I ran 245's and preferred 255's (hasn't happened so I don't know) that may be specific to my setup. Maybe I'll have the opportunity to swap tires with someone else in the class this year, maybe not.

I've heard many describe their preference for the 245 RE71R in the same way the RS3 was described - a bit more responsive feel, especially on transitions.

I admit I'm a little unsure on the matter - while I respect the observations, the fact I found I needed the opposite tire pressure adjustment makes me wonder - either I'm really lost (it's possible I preferred the handling so was more aggressive, but the car was slower overall - or that it really did improve things...) or it's not quite so simple after all.

C

[BlaineWasHere]

Originally Posted by cjd

I haven't. I found that I was dropping pressures toward the end of the season (confidence finally improving, though surface temps also dropping.) That's contrary to what I've heard others say they did with 255's, but my times were improving quite a bit and I wasn't having issues rolling over the sidewall. Some of that may have been the camber thing. I imagine a lot will change after the camber change.

It should also be noted that I have very different spring rates than many seem to run, so even if I ran 245's and preferred 255's (hasn't happened so I don't know) that may be specific to my setup. Maybe I'll have the opportunity to swap tires with someone else in the class this year, maybe not.

I've heard many describe their preference for the 245 RE71R in the same way the RS3 was described - a bit more responsive feel, especially on transitions.

I admit I'm a little unsure on the matter - while I respect the observations, the fact I found I needed the opposite tire pressure adjustment makes me wonder - either I'm really lost (it's possible I preferred the handling so was more aggressive, but the car was slower overall - or that it really did improve things...) or it's not quite so simple after all.

C

You were probably going faster because your driver mod was getting better despite whatever you were doing with the pressure.


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[Aev]

so from all this ive gathered there is no way im going squeeze a 18x9.5 wheel up front peacefully without coils?

[texasbound972]

Originally Posted by Aev

so from all this ive gathered there is no way im going squeeze a 18x9.5 wheel up front peacefully without coils?

True.

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[TOUGEerrDay]

[IMG][/IMG]

Tires: Sumitomo HTR Z III 255/35r18
Wheels: WORK Meister S1R 18x9.5 +38

[Aev]

Originally Posted by Aev

so from all this ive gathered there is no way im going squeeze a 18x9.5 wheel up front peacefully without coils?

Alright then I assume a spacer up front on eibach sportlines would be out of the question as well?

[Aev]

Originally Posted by texasbound972

True.

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Alright then I assume a spacer up front on eibach sportlines would be out of the question as well?

[texasbound972]

Originally Posted by Aev

Alright then I assume a spacer up front on eibach sportlines would be out of the question as well?

I have no idea. I'm sure it's worth a try.

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