Proper braking technique on the track also plays a key role in overall performance. New drivers often tend to over brake or drag their brakes into the braking zones. If you plan to do HPDE on a more frequent basis, you will want to upgrade to the 6-piston setup with larger rotors. Benefits...
You will need a harness bar for the Schroth harnesses (stock seats? 4-point ASM is very good).
Otherwise, if you have racing seats, go with the 6-point harnesses.
Cipher Racing Harness Bar Ford Mustang (2015-2023) S550 CPA5018HB-BK
Watson Racing Harness Lap Belt Mounts, WR-HARNESSMNT
Thanks for the feedback. I probably should have mentioned that I've been doing HPDE for the past 17 years; 15 of them in the Advanced/Solo Group with a few clubs, e.g., NASA, PCA, Chin, SCMC, and a few others. Started in a Corvette C5 and later a S197 Mustang GT with a built 5.0. I've enjoyed...
I ran a square 18x11 305 setup on my 09 GT with great results. I plan to run a 19x10.5/11 setup on the '21 GT with 315s for the track. I plan to swap the OEM seats for a set of Sparco EVO3 (XL) seats and a 6-point harness setup like I had in my S197 GT. It's primarily a daily driver that will...
I purchased a 2021 Mustang GT 5.0 base and upgraded the suspension, brakes, and cooling, but not the engine, powertrain and other components except for a MGW shifter. I plan to install the Torsen T2R differential with 3.55 gears and differential cooler. This is what I’ve done so far:
APR 3"...