I can give more details concerning all parameters later but, just based on what I have so far. Mostly street driven, with some 1/8 to 1/4 drag's. Max RPM- 6,500 427 side oiler punched to 527 ci. 4.375 bore/stroke. Aluminum head ,largest valves. (ported/polished) 10:5 to 11:0 compression. Solid mechanical roller cam. HP/TQ- 600 to 650 Pump gas. Many cam profiles to choose from. 650- 725 lift 280-300 duration @50. 110-108 overlap. Tremec TKO 600. Ford 9" with 370 gearing. CROWER CAMS- I don't want such high lift that wears out springs fast, and livable on the street. http://www.crower.com/misc/m_cat.shtml I'm thinking about - Part # 16464 16465 16466 What do you think ?