Still sounds a bit weak to me also. I ran my 30 over 400 with badger cast Pistons, 16 heads and a 226/226 110 cam thru a 4sp at 5000ft elevation and it spun up 297hp/360tq some years back on a portable dynojet machine. I had 195-205 compression and eventually wasted the rod bearings and broke ring lands out of two pistons but it ran pretty good till I pulled it down.
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Robert
69 Firebird-462/Edel round ports/currently running the Holley Sniper/4sp/3.23posi/Deluxe Int/pwr st/vintage air/4wl disc( a work in progress-always )
http://youtu.be/eaWBd3M9MN4