Quote:
Originally Posted by charlie66
27* is a lot of timing for 30psi . Didnt they move the plug over to in front of the exhaust valve an give this head a heart shaped chamber? Thats a real efficient chamber . I have the new Edelbrock head with all that done to it and @30psi it only wants 18*. Something to try would be taking some timing out and richening it up a bit more . What are the egt's at 30 psi with 27*?
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The chambers are heart shaped. No EGTs yet. When we get it back together, we'll pull a bunch of timing out and then ramp in back in slowly again.