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Old 02-26-2020, 12:41 PM   #13
VegasZ
 
Drives: 2020 ZL1
Join Date: Dec 2019
Location: Las Vegas
Posts: 60
I I’m vegas and we only have 91 also. You can tell it’s pulling timing even stock and it’s not even hot out yet. It seems like the only non warranty killing option is to run a bit of race gas mixed in but that seems like a hassle for daily driving.
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