Best Mopar engine for SSGT?
 

Just wondering what Mopar engine people think would make the best GT engine and why. Have been bench racing at the shop during lunch and discussed 340 360 383 and have different opinions. Lets here some more opinions. I like the 67 383 if NHRA would give it a HP break from the 68-69 since it has smaller E valves and AFB vs AVS Any thoughts?
Thanks

i, m buildinding a 400 to go in a 72 scamp for gt/ea[:-cheers-:]

sean ward
stk# 2882

What's the best head that ever came on a 383? That little stroke ought to be a killer deal with the right head.

"The future isn't what it used to be."

with heads from Eric at CFO flow will never be a problem on a 383...

I think the 906 casting was the best head for the 383, though I'm no expert. It's possible to get 300+ CFM out of one of those heads. 203 cc intake port and a 2.08 valve. I know of a 383 that made 620+ hp on the pump with more left in it.

Jared Jordan
7551 SS/BA

I think the 71 high compression 340 has a lot of potential on paper, but it may be hard on parts due to the high rpm it will require.

The 915 casting number has a closed chamber and flows as well as906's

The stage v head is best but not legal on a 67 383. The 915 is legal only on the 62 343/383. The small valve 915 may be and would be best. The 70 383 with the small Holley would seem the best combo. The 67 came with a small AFB and 516 heads or a similar casting which is the worst head ever made for these motors, Paul.

IHRA #9730 D/PS

Paul
NHRA blueprint specs list the 915 as OK for the 67 383. But with the 67 and 68 both at 300 hp for SS the AVS might be better (bigger) than the AFB.
Still think the B is a better choice than the LA based on HP ratings VS size.