Originally Posted by blackeastbeast (Post 19132945)

My setup is a billet s485 v2 race cover through an 80e and made 880 on 18 lb that 80e is a power sucking bitch good luck.

Originally Posted by gnx7 (Post 19112670)

1000rwhp is probably the upper limits with 4 bolt style heads for reliability keeping the gaskets in place. With an auto 1200rwhp is equivalent to about 1400rwhp with an M6.. Plus 70-80ft lbs of torque on the head studs isn't a lot to keep heads in place unless you have the 1/2" setup machined in. Time will tell.