This guy in Florida hit 616.8 on a built FM stroker motor. Looking at the dyno though, He is *only* at 260hp at 5700 RPMs, put the HP line is nearly vertical after that. While it doesn't look like Warren will be getting into that realm, his power band will likely be more usable as it spools up a little sooner.
The really incredible thing is he is only making about 100 ft. lbs. of torque less then my stock Cummins out of that 4 banger.
Originally Posted by Titus
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