popular hot roddings 600hp pontiac

[bob]

bore 4.160"
stroke 4.21"---
displacement 457 cubic inches
10.5:1 compression ratio
cam, cc 260/268/dur .653/.677lift
flat tapper solid lifter
rocker ratio-1.65:1
block OEM
CRANK OEM
rods eagle 6.8" : h-beam
heads.. edelbrock with mild port work and larger valves installed
2.23 intake valve
1.77 exhaust valves
intake victory intake #2956*
holley DOMINATOR 1050 cfm carb
damper tci rattler

dyno 594 ft lbs at 5400rpm
and 618hp at 6100rpm

theres a bunch of good info in the links and sub links
viewtopic.php?f=44&t=1154&p=29335&hilit=pontiac#p29335

http://web.archive.org/web/201006070702 ... ngid1.html

viewtopic.php?f=44&t=7300&p=24841&hilit=pontiac#p24841

viewtopic.php?f=44&t=4125&p=20488&hilit=pontiac#p20488

http://www.carcraft.com/techarticles/67 ... tiac_350s/

viewtopic.php?f=51&t=6421&p=20306&hilit=pontiac#p20306

viewtopic.php?f=87&t=6164&p=19299&hilit=pontiac#p19299

viewtopic.php?f=44&t=3213&p=17212&hilit=pontiac#p17212

viewtopic.php?f=52&t=4521&p=13360&hilit=pontiac#p13360

viewtopic.php?f=46&t=4067&p=10823&hilit=pontiac#p10823

viewtopic.php?f=44&t=2456&p=6419&hilit=pontiac#p6419