Tires make a difference

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Originally Posted by Porsche9

Basically "Extreme Performance Summer" tires are going to do better at the track with the trade off being a UTQG rating of 200 or less plus they generally cost more then "Max Performance Summer" tires with a UTQG of about 260 to 320 and lower costs. For the track you gotta pay to play.

For the street the Sumi HTR Z III can't be beat for value.

Going with a BFG G-Force R1 track only tire I imagine is another huge jump in performance but then we are talking a UTQG rating of 40 and at that point the car is likily to need other mods to handle the huge grip potential.

Actually Hankook RS-3 are very comparable in price to Max Summer Tires like S0-4 and Super Sports. They are also a great value.

Yep, R1s need lots of negative camber and stiffer suspension to control the contact patch. Generally running R-comps to full effect requires about $4k or more in suspension work. Otherwise you just eat up the outer shoulders and kill em in one day.

It's a slippery slope I have slid down many times.