[427supr]

Guys, I am building a 427w, for my Superformance. here are the specs. I am hoping for around 500hp.

Dart SHP block 4.125 bore
Eagle forged rotating assembly, 4.00 stroke, H-beam rods 6.250, Mahle pistons
Victor jr type heads 60cc 10:1-10.5:1 compression
ford hydraulic roller lifters
Comp cams extreme energy #35-522-8 duration: 282,290 lift: 565,574
duration @ .050 lift: 232,240
Victor Jr. intake
Holley 750 street HP