Rhs Indy X Head Thread

OU812 - Can you (or anyone else) explain why it will make power to 6500 in the car, but not on the engine dyno?

I wonder about this too? Is it true?

My engine made max torque at 5100 RPM = 513 ft lbs.
and at 5900 RPM it had a max of 533 hp... I wouldn't see the point for me to rev it much past 6,000 RPM....?
here's me dyno sheet: