This is a Dyno pull on a 460ci big block Chevy that made 574 hp at 6000 rpm and 561 lb-ft at 4100. Stock block, crank, and rods. Wiseco forged pistons. 10.28:1 compression. Comp 242/248 hyd roller, 1.7:1 roller rockers, Milodon pan, Edelbrock Performer RPM heads and intake, Holley 1000 cfm carb, 2-1/8-inch open Dyno headers, Lucas oil