Quote:
Originally Posted by JamesJ
Was this a crate motor? If so sometimes they (builders) just have a dyno sheet for that type of motor, not the actual one that was built for you. Just a question...
We keep looking at what it is now, maybe the motor dyno was wrong...
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Apologies, my last post was inaccurate.... my best chassis dyno numbers were 441 hp @ 5000 rpm and 499 ft/lbs at 3500 rpm. Regarding the motor, we started out with a zz502 crate, but shaved the heads to get 10:1 compression, ported/polished the heads, added Edelbrock ProFlo RPM EFI, polished the intake runners and replaced the valvetrain with upgraded Crane roller valvetrain (more duration/lift, roller rockers, etc.). Dyno session was complete along with engine dyno video/commentary.