Quote:
Originally Posted by Maestrob4u
I read that the LS motor (with supercharger) weighed 197kg, vs the S65's 202kg.
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Where did you hear that? An LS9 (ZR1 motor) is 241 kg, and that's before the required external oil tank (dry sump). An LT1 (next gen 6.2L non-supercharged) is 211 kg.
Quote:
Originally Posted by Maestrob4u
Which company offers the S65 at the level of tune, or can modify one to the specification you described. Also what are the gains over stock.
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Dinan does a 500 hp stroker S65, which is the smarter way to go from a performance perspective, and Dinan has excellent experience with derivatives of the motor from their Daytona Prototype racing program making them one of the few I'd trust to do one well. A high revving 4.0l would be more for fun and the experience/ sound. Not sure if Dinan could be talked into doing one.