M6 -- 436 (427 layout, standard 4" stroke but 4.165" bores instead of 4.125", RHS LS Racing block, Lingenfelter build including full engine dyno break-in/run-in and testing) twin-turbo (GT-38X intake sides, GT-47X exhaust), 12-quart full-race dry sump, 1,500 HP worth of liquid-to-air intercooling with 14 gallons of intercoolant, 7,200 rpm redline/7,000 rpm shift point -- with everything else in the car, to reliably handle that power and provide appropriate handling capabilities, up to the same level, including lots of (fully race-prepped) C6 ZR1/Z06 kit -- kinda silly actually, of course -- but it is very strong, sound especially under throttle wonderful -- and it's a great over-the-road car
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