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well, i checked my comp. with my guage.i could only do one cyl. on each side ,the headers make it almost impossible to get this hose on.with the throtle wide open i got 170 on each side.



That doesnt sound bad for 10.4(I think thats what
you said) but I would have guessed a bit more...
that is defiantly pump gas friendly... but you need
to check all of them when you can... you could have
some low ones


when Dwayne speced out this piston and cam that was our goal,pump gas freindly.



Is that a fresh valve grind on the heads.. not just what
they came with


Dwayne did the heads.i was runnin low 9, with these heads in another combo.i also checked them out real good when i resprung them for the street cam.