Quote:
Originally Posted by EZ Nova
Ya you would have probably made more power 5-700RPM more. Those cam were rumored to pull well into the 7500/7800 RPM range, just not sure they were making more power or just hanging on better without the drop?
I looked at my ZL1 dyno sheet, @ 6700 I was at 785.1 Hp but it should have been higher. And you "probably" left 50 or so Hp on the table with you deal using the GM piston design and not pulling to 73/7500 range. Modern piston with 1/16 rings or better rings and not the 5/16 would have picked it up nicely too.
THEN one can look at the heads/valves and see what "could" be found there? I don't know what you did with your stuff, like better modern valve, back cut and valve job, but there is POWER there too.
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EZ Nova: That's some nice power for the ZL-1 Combo. Mine was totally stock, no headwork, ALL NOS GM factory stock internals with stock stroke and a .030 overbore. I was very happy with the results as it will be a trailer queen. If I were building one for power, I'd use a new ZL-1 block with some aftermarket heads with
headwork, pocket porting, etc., a bigger cam and a holley dominator! Don.