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The manual, if I recall, states ZL1s are tuned for 93.
Race Proven Motorsports, I think, AND Complete Street Performance, have BOTH done videos (at least segments, if not dedicated videos) on comparing dyno' numbers between 91 and 93 octane.
It seems running 93 over 91, on a tuned car, could be worth tens of WHP.
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'20 ZL1 Black "Fury"
A10, PDR, Exposed CF Extractor
Magnuson Magnum DI TVS2650R // RFBG // Soler 103 // TooHighPSI Port Injection // THPSI Billet Lid // FF // Katech Drop-In // PLM Heat Exchanger // ZLE Cradle bushings // BMR Chassis-Suspension Stuff // aFe Bars // Diode Dynamics LEDs // ACS Composites Guards // CF Dash // Aeroforce // tint // other stuffs
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