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C8 ZR1 Dyno Pulls 80hp Gains from Basic Bolt-Ons—Factory Conservatism on Display
Photo: Corvette Forum
by Joe Kucinski· via Corvette Forum · Jan 9, 2026

C8 ZR1 Dyno Pulls 80hp Gains from Basic Bolt-Ons—Factory Conservatism on Display

"The ZR1 was always going to be software-limited. Turns out you can't nerf a 5.5L supercharged V8 without people noticing."

— Revvly Take

The already-supercharged C8 ZR1 is leaving easy power on the table from the factory. A straightforward modification package—likely intake and tune work—unlocks 80 horses on the dyno, suggesting Chevy's engineers built in serious margin for warranty and longevity. For a car already pushing 1,000 hp, it's the kind of low-hanging fruit that separates what engineers can do from what accountants allow them to sell.

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Joe Kucinski

Corvette Forum · Jan 9

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