Here is a free Desktop Dyno you can download to get an idea of what you're working with. To get more accurate you can google your head flow and enter that in too. Old school program but works.

http://www.colorado4x4.org/vbb/showthrea...o-Free-Download


1965 Fury II 1970 Challenger 440, 509 cam, 11:1 w/ 452 iron heads, 6.99 1/8, 11.29@ 120mph 1/4 (1999 Magnolia Drag strip track champion) 1992 Jeep XJ Crawler