Originally Posted by Cab_Burge
My last pump gas 517 C.I. stroker 400 motor with a set of M.W. port size SR heads made 727 HP at 7000 RPM and around 680 Ft. lbs. at 5200 RPM with a single 1050 CFM Dominator carb on a DTS engine dyno in Klamath Falls OR, at 4300 Ft above sea level in the spring with decent airshruggy Same short block with a set of MCH ported 440-1 heads and same intake manifold and carb made 775 HP at 7300 RPM on Oregon 91 octane pump swill one week later on the same dyno shruggy
Your motor is bigger with smaller heads so keeping that in mind with the time of year (weather conditions), dyno elevation and how stingy or generous the dyno is will make the numbers you see on your motor.


You neglect to mention cam specifications. I suspect it's a lot bigger than Feets'.