Need some help with tire sizing

702GT

S197 Fanatic
Joined
Mar 18, 2010
Posts
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Location
Las Vegas
I got a set of 15x3.75 Race Star's, but I'm not sure what tire size I should run, or what my options are. My intention for this set is track only, but I need to be able to drive to the track on them. It'd also be nice not to spend $150/tire too! I obviously don't want to run a radial, as I'll be running them with slicks in the back.

Right now I'm running my stock 275/40/18's in the front with my slicks in the back. The setup works fine N/A. Very minimal side to side walk down the track, and I'm only trapping 105-106mph. But now that I have a 75 and 100 shot to spray, I don't want to risk having walk on the big end moving even faster. I blew most of my budget on setting up the nitrous and getting my rear end built to handle the nitrous on launch.

So;

-Size Options Recommended
-DOT Approved
-Fairly Cheap
 

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