Thanks i have RPM heads now ported with backcut cant get anything like the flow of the victors i will try the bolts in both & see what the length is like.
You need the TTI headers Chris Hill at SPD exhaust said he may be making the header plate in 3 to 4 weeks may be the cheaper to reflange my hookers.
Should have the heads next week going with 60 thou cometics to keep the comp below 11:1
Also looks like the rocker gear & pushrods may be different currently running hughes roller lifters,Harland sharp full roller 1.5 with rocket industries pushrods fitech go efi ,3.79 molnar crank & rods 4 bolt mains, JE custom pistons. 3000 hotshot stall ,3.9 with gear vendors over drive awesome torque down low .