04-23-2019, 11:52 AM
(04-23-2019, 11:33 AM).RJ Wrote: more rear rebound, more rear spring rate
No

With old tires, all you are doing is guessing at setup, that's why you only test on brand new tires.
Spencer has good knowledge base, follow his effort. That said, as you know to go from where you are to the front of the mid-pack is all driving. Setup is only seperating the front from the front of mid-pack.
2020 Ford Raptor
2009 Z06
1986.5 Porsche 928S
2009 Z06
1986.5 Porsche 928S