Quote:
Originally Posted by Msquared
I'm not clear: you have an SS without the 1LE package and you're currently running ZL1 (non-1LE) wheels on it, which are 20x10/11? While there's nothing mechanically wrong with that, it puts you in very different autocross classes, depending on which events you're planning to attend. In SCCA, it would move you from F Street to either CAM-C or ESP, which is a very different level of car mods overall. So you need to decide what class you want to run first.
Regardless of that decision, I think the Falken RT660 is the way to go on a Camaro right now, with the Nankang CR1 maybe as a good alternative (reviews and results are all over the map with that tire from what I see). The Yokohamas are very fast, but they won't be happy on a stock or near-stock Camaro, and you'll need heroic measures to keep them cool enough to be happy at an autocross with 10 runs. Everything else that's streetable is slower. I think you'll be able to do 100 runs plus a little street driving on the Falkens before you have to replace them.
If you want to stay in F Street, you need to stay with stock widths and can go down 1" in diameter, so look at 19x8.5/9.5. Then look at the Falken RT660 in 275/35/19 for the rears and either 245/35/19 or 265/35/19 for the fronts (not sure which is the best bet - they don't make a 245/40/19, which would be ideal).
If you don't care about staying in F Street, then go with CAM-C. ESP would be a bad choice, since the only good tire for that class is the Hoosier A7 and that is definitely not streetable. In CAM-C you have to stay with 200-treadwear ratings, but you can run any size you want. An easy choice would be 19x10.5 front and rear with 305/30/19 Falkens or Nankangs. I have a friend running 19x11 on his SS, which would be even better. I'm not sure if he's running camber plates or not, but they don't rub. But in CAM-C, you're going to want camber plates and several other parts to really start improving the car's potential...which then becomes a money pit...which is why I'm not going there any time soon! So consider that carefully.
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Good Info here. Thanks.
I think I'll be in CAMC. I'll need to research some more to see how the 305 fit up front. Car is already a money pit. Other than camber plates, what "several other parts" are you referring to? Sway bars? I've already done BMR endlinks, BMR springs, all the BMR arms in the rear, BMR cradle lockout, front ZLE control arms (2 pairs that were replaced: 1 pair was ZLE specific, the other pair were shared among ZLE/ZL1/1LE. I'm thinking I'll do a front Hotchkis and rear BMR bar when I do the wheels and tires.