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  1. What Autocross tire pressure have you settled on

    Iā€™ve been auto crossing a 21 Supra on rt660 (BS) since March this year which is 4 events so far and have settled early on 32/30. Thatā€™s based off previous experience with the rt660 on my previous Ax car a Vette which I ran at 30/28 and basically going as low as I could on the fronts before...
  2. Weird pad contact

    Recently installed CSG CP pads front and rear. I just noticed my rears donā€™t look like they are making full contact on the right rear. Was wondering if anyone else encountered this. I did just go out and tried another bedding procedure right before pics. Braking also feels normal.
  3. Has anyone found a Cusco or similar front bar alone created too much understeer?

    So I like to keep mods to a minimum so usually modify for scca street class so front bar, shocks on previous corvettes, max width 200tw tires, alignment, brakes. A bigger front bar definitely decreased the oversteer obviously by creating understeer but has anyone else felt it was too much. My...
  4. Wheel mounting guides?

    I saw a wheel spacer video that mentioned a guide bolt was included with spacers to help line up the spacers and holes. I thought that would have made mounting much faster and easier but the spacers I bought donā€™t come with a guide bolt. I will probably be swapping wheels about every 1-2 months...
  5. 275/295 RT660 Autocross, Rub?

    New car, first post. Been running larger re71, rt660 on previous C6 corvette for the last couple years but new to the mk5 Supra platform. I wanted to run 275/295 rt660 on the factory wheels, they are about the size of the average 285/305. Anyone running this setup and Iā€™m hoping to hear no...


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