WHAT YOUR LOOKING TO DO, is too get approximately 1.5 horsepower per cubic inch of engine displacement.
thats easily done with nitrous, or a turbo or supercharger,or alternate fuels,
but N/A its a challenge.
as I'm sure you've calculated, too get close to running low 10s with a car that weights 3000 lbs,
and lets say a 230 lb driver you'll want that 600 hp you inquired about.
http://www.wallaceracing.com/et-hp-mph.php
a couple hours doing, the required research, doing the detailed calculations on well matched components, and comparing results will get you much closer,
too understanding the goal you have in mind and how the potential parts combo should work, and related component limitations
http://www.wallaceracing.com/Calculators.htm
can you tell me more about the cars engine, exhaust, and drive train combo,
and what your current 60 ft times and current e.t. and trap speeds are?
can you let me know what restrictions your working with.
you could certainly reach the goal, but you may not want too,
or easily afford, or be allowed too, use some options
we can,t logically play the game without knowing the rules,
and limitations, your dealing with, and to some extent budget.
the formula for hp is
torque x rpm/5252=hp
a well tuned N/A, 396 BBC could be expected to provide peak torque in the 1.25 ft lbs of torque per cubic inch range. lets say 500 ft lbs
the better the heads, and intake flow and exhaust scavenge in the higher rpm range the easier it will be to reach your goal, that of course requires a stable valve train, rock stable ignition curve and dependable fuel delivery.
Id sure try to find heads that flow in the 350 cfm MINIMUM,at 600 lift range.
this would be my choice
https://www.airflowresearch.com/300cc-bbc-oval-port-cylinder-head/
remember one of the keys to BBC power is starting with the best flowing heads you can afford
youll want to select the and cam the engine components too spin that engine up to about 7000 plus rpm to move the torque peak up where youll have the torque peak in the proper power band,
the math says ...your dealing with several limitations.
I would certainly be looking at a different set of heads with larger ports in the 3.7-3.9 sq inch range, and use of the larger valves a multi-angle valve job, port and bowl clean-up and doing research into the ideal single plane intake manifold with matched carb or ideally individual stack injection, and matching the solid roller cam with the correct lift and duration, and calculated matching, header primary length and diameter, and collector design to maximize cylinder scavenging, and resulting power in the 6700 rpm-7300 rpm power band
most likely a solid roller cam.
the quickest and least complicated or expensive route would be the use of a NITROUS WET PLATE
https://www.summitracing.com/parts/nex-30040-10/overview/
powers available when racing without having to deal with crappy driving characteristics when its street driven and theres no real need to deal with the radical parts high rpm design operational problems if used in the normal for street use, 1500 rpm-4000 rpm power band
http://www.wallaceracing.com/runnertorquecalc.php port size
http://www.wallaceracing.com/header_length.php headers
http://www.wallaceracing.com/area-under-curve.php head flow
http://www.wallaceracing.com/calcafhp.php required head flow
http://www.wallaceracing.com/max-rpm.php rpm stress limitations
https://www.summitracing.com/parts/nex-30040-10/overview/
http://garage.grumpysperformance.co...rnate-bbc-oval-port-intakes.13993/#post-71391
http://garage.grumpysperformance.co...ld-but-think-things-through.13604/#post-70395
http://garage.grumpysperformance.co...t-intake-on-oval-port-heads.13146/#post-69975
http://garage.grumpysperformance.com/index.php?threads/bbc-intake-manifold-choices.12949/#post-67671
http://garage.grumpysperformance.co...and-polishing-combustion-chambers.2630/page-3
http://garage.grumpysperformance.co...g-block-head-comparison.319/page-2#post-56649
http://garage.grumpysperformance.co...-calculators-and-basic-math.10705/#post-46582
http://garage.grumpysperformance.co...s-the-best-oval-port-intake.10530/#post-44655
https://www.cycleworld.com/2014/05/23/engine-tech-how-much-power-for-how-long-by-kevin-cameron
http://www.badasscars.com/index.cfm...ct_id=391/category_id=13/mode=prod/prd391.htm
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