491 Big Block Chevy 635 horsepower on pump gas.
Dart 310 aluminum heads fully ported flow 408 cfm @.700 ,comp cams solid roller 244 @.050 .622 lift
short block has about 750 miles top end is fresh with only dyno time.
Asking $5000 without distributor and waterpump.
1992 chevy 1/2 ton extended cab 2WD Red automatic, 295,000 new engine @230,000 new trans @202,000 good tires and air conditioning , one 1.5 inch tear on drivers seat, cd player, cruise ,power windows and locks, 5000 lb hitch, aluminum wheels, and tight steering.
Asking 2500 or best offer...
This engine will be run at highland, godfrey,and tri city in the sportsman class. The rules for these tracks say "one 2 inch adapter" can you use a 1 inch adapter and 1 inch spacer for a total of two inches. Any info would be helpful.
New ProTopline heads with 240 cc intake runners fully ported and polished.
60 cc high swirl chambers. 2.08 1.60 severe duty valves 230 lb seat preasure 550 @ .600 .710 max lift. $1500.00 call 618-526-8451 leave message.
Who do i contact at highland for tech question on carb.
Or can someone tell me if you are allowed to drill air idle holes in the throttle plates for tuning purposes.