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just for the record:

solid roller, 248/255 .604/.582 at 112.0 lsa.

that's mild compared to what i've seen here, but still did 712 hp at 6000, and there was a little more there with further tuning.



Very head limited, the motor made [Email]853hp@<5800[/Email] and [Email]818ftlbs@<4800rpm.Dave[/Email]



doubt it's the heads. stage Vs ported by FHO. the intakes flow 435 or so. it's a 540, with about 10.25:1 compression. stage V intake with 2 edelbrocks. there was a little more there in tuning: timing and the A/F could have been tweaked a little. bigger cam would make a big difference...

i know you've posted it many times, but what is your setup?



How many street miles do you have on it? Do you run splash or pressurized lifters? Do you oil through the head (stock) or pushrods? And are you concerned about lifter failure to the point of checking/rebuilding them every few thousand miles as has been suggested on here? Our engines are VERY similar as is the usage (street driven).