468bbc horsepower and torque estimate
hello i wanted to have and estimate or if anyone have a desktop dyno. I have a 468bbc I will be running 850 holley dp on a rpm air gap, 781 heads with 2.19 1.88 valves bowl ported 118cc heads 10.2:1 compression. 1 3/4 header 3 in exhaust dumped with flowmaster 40. Im running solid roller 11-771-8 xr280r cam. I would like to have this run through a desktop dyno. Comps site is down i would like a round figure before install in the next 60days to know what I'm up against 550-580hp 500-600trq. would be awesome. Thanks to all.