This is a good point that I hadn't considered. The PTM calibration of my 2019 ZL1 1LE is more aggressive than the calibration on my old 2018 ZL1. I'm referencing both cars on ZL1 1LE sized Goodyear 3R tires.
Quote:
Originally Posted by cdrptrks
Important note: your ZL1 1LE comes calibrated for the 100tw SC3R tires that come with the car. The original poster's SS 1LE is calibrated for less grippy 220tw SC3 tires. In his case, when using PTM the car's expectation of the maximum available grip is lower than what his 3R tire can provide.
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