We did a 5.7 block, 4.050 stroke, 12.75:1 on E85, oem rocker and lifters, Ritter intake, custom IMM cam (only .610 lift) and very mildly ported 6.4 apache heads and made 695HP on our dyno. Easy....
Would you mind sharing more details about this build? It seems that only a few guys are doing hardcore NA builds, and most are pretty tight lipped on the details. It gets tiresome wading through thousands of posts about bolt on crap.
What oiling mods did you do? I know all the aftermarket cranks have Chevy style drilling and more oil capacity is needed to keep from sucking the pan dry.
I like the fact that you kept the lift down, as I'm familiar with the rocker to pushrod angles. As high as they had to put the cam to clear the head, the pushrods are almost horizontal it seems. Did you use a standard timing chain? Any other valve train mods required to keep things from coming unhinged?
I'm familiar with how detonation prone the G3's are (everyone I've opened looked like the pistons were in a war). With the E85 were you able to use more typical ignition timing?
Any other obstacles you encountered during this build?
