It's strange for sure. I would have thought the FRPP tune would have taken into account the tire size. Because obviously FR500's are not stock wheels.
But it's not just his car. Me, in my Cobra...Travis in his 93 Cobra.....Brian in his Whippled 07 Shelby GT with 20" Razors......and Ray in his 07 were all traveling to the Rocket City show in Huntsville. Ray called me and said we were running 80mph when I hadn't run faster than 75. I called Brian in his Shelby and he said we were running 80 also. But when I called Travis, he said we were sitting dead on 75. Mine and Travis' car are still rolling on stock size wheels and tires.
For whatever reason, the tune in Ray's AND Brian's, both S197's with larger wheels/tires are reading faster than they should be. Which, in theory doesn't make sense. Usually adding a bigger tire/wheel combo turns the axle slower and in turn reads lower, not higher. Must be something with the way the S197's new style set-up reads.
