Al36rx7 Posted May 27, 2019 Share Posted May 27, 2019 I run a car (Tube frame third gen RX7) in ST3 that was originally set up to run GT3 in the SCCA world. I use 15x7 rims and using canteliever bias ply slicks (only Goodyear and Hoosier make these) since the rims size / canteliever tires work around the clearances of suspension bits. I am in complete agreement with the previous comment that the folks on a DOT R-Compound tires come on almost immediately. (Maybe it's the driver, as in me), but I can lose a place at the beginning of the race. Then I spend the rest of the race trying to find a way to get around them after my tires create some heat. I does make for some good racing. Most of our races are sprint races. I don't see the non-DOT tires being a benefit in these races. Maybe a different NON-DOT factor for Enduros, but IMO, I don't thing the factor is off. Quote Link to comment Share on other sites More sharing options...
davidfarmer Posted June 17, 2019 Share Posted June 17, 2019 I don't like any rules differentiating ST3 from ST1 and ST2. I don't care about the tires in particular, but keep them all the same. It's bad enough that ST4 is unique and the series' directors don't enforce the rules. Quote Link to comment Share on other sites More sharing options...
National Staff Greg G. Posted June 17, 2019 Author National Staff Share Posted June 17, 2019 David, Please forward me any issues with SD's not enforcing the rules. Thanks! Quote Link to comment Share on other sites More sharing options...
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