Zr1 does good with no nos no sc no turbo. Doing middle 9 sec faster than a gts. I have both gts and zr1. The advantage of the gts with no stress is that u can perfectly launch and shift compared to zr1. But zr1 is faster. I have them also both maxed. Zr1 is definitely faster sc same as the gts sc set up. Zr1 does 8 sec no…