I will dyno mine when I finally figure out the throttle bracket issue and put a few miles on it. It has 40K original miles on the bottom end, and tested 155-160 psi on all cylinders.
I am running the following:
73 block stock with flattop pistons
69' 46 heads 72cc
crower 60240 210/221 422/446
71' stock iron 4bbl manifold
77ish jeff walker rebuilt qjet
RA manifold repros
pypes x-pipe setup
I wonder if you could get some extra power somewhere in your exhaust?
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1973 base firebird
Original 350, with 69' #46 heads, crower 60240, 9.3:1 cr
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