Mild performance options and Trick flows.. is not the best way.. for the money spent, anyway. You can get 290-320 at the wheels on a set of ported GT40's or E7's. And that isnt a mild build.. Adding a set of TF to the equation, might get a few more horses, but for the extra money in cost, might not be worth it?? just a thought.
Just me......................
Thumper
If you use E7s, I would expect more along the lines of 250rwhp.
The typical full on E7 is having the bowls cleared a lot, valve job, the exhaust ported a lot, and a mild port on the intake. Usually one takes about .040" off the bottom to get the compression up. I would say about $600 would be a conservative estimate for that amount of work.
Kurt
Why not just have one thread? LOL
You can definitely get more than 250rwhp with ported E7's. I've seen two combos almost identical to mine with home-ported E7's put down around 270rwhp/315rwtq through a T5, and mine put down 244rwhp through an automatic. My heads have stock valves with pocket ported intakes/exhausts, more extensive porting of the exhausts, and were milled only 0.010".
I don't think it would be optimistic to get 290rwhp from E7's that have oversize valves, a 5-angle valve grind, extensive porting, and 220cfm intake port flow.
You're being extremely optimistic. 320rwhp is extremely atypical from a Ported E7. If you use E7s, I would expect more along the lines of 250rwhp.
The typical full on E7 is having the bowls cleared a lot, valve job, the exhaust ported a lot, and a mild port on the intake. Usually one takes about .040" off the bottom to get the compression up. I would say about $600 would be a conservative estimate for that amount of work.
Kurt
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