Quote:
Originally Posted by dj_oatmeal
Can I run Falken Azenis RT-615 205 50 15 in the front and stock 195 55 15 in the rear and still be legal in H stock? I've read the rules and it makes no mention of tire size front to rear but don't want to buy them and be DQed at the event next weekend.
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It is fine for H Stock.
In H Stock class you can run any size tire that will fit without rubbing that might cause a safety issue and any DOT approved tire from R compounds like the Hoosier A6 to Kumho V710 to Toyo Ra1s or any street tire like the Bridgestone RE-01R or Falken RT-615 like you mentioned.
You can run different size tires front and rear but the handling will be different and since the sidewall is different as well you need to fine adjust the tire pressures to get the handling you are looking for. That staggered setup will give you a little more grip in the front and a little less in the rear depending on your tire pressures and other suspension and alignment settings.
In Street Touring classes you have width limits for tires but many of the other classes are wide open. Mostly you are limited by wheel width limits and wheel arch clearance- some classes allow fender rolling while others allow for wider arches/fender kits.