Here is the build that my son and I plan to do for our 383 stroker project.
This car will be used for street only. Pump gas. Smooth idle and good street manners.
Block - Stock 71 350 decked to 9.015 and bored to 4.03.
Crankshaft - SCAT Series 9000 Cast Steet internally balanced.
Rods - SCAT 6-inch forged 4340 Steel I-beam.
Pistons - Kieth Black flat top +7cc hypereutectic aluminum.
Rod Bolts - ARP 3.8 cap screw
Rings - Plasmamoly 1/6, 1/6, 3/16.
Intake Manifold - Edelbrock dual plane Performer Air Gap.
Heads - Air Flow Research 180cc intake runner Eliminator with 65cc chamber.
CAM - Lunati Voodoo Hydraulic Roller 270/278 advertised, 219/227 @ 0.05 with 0.515 intake lift & -.53 exhaust lift at 112 lobe separation angle, or
Howards hydraulic roller 266/270 advertised, 213/217 @ 0.05 with 0.485 intake lift & 0.495 exhasut lift at 112 lobe separation angle.
Lifters - Hydraulic roller - Lunati or Howards to match cam.
Rockers - Comp Cams Ultra Pro Magnum, 1.6 ratio intake and 1.5 ratio exhasut. The 1.6 ratio rockers should add about 32 to 34 thousands to the intake lift. The AFR heads have great exhaust flow, so don't think I need any more lift there.
Headers - Hedman 1 5/8 inch.
Carburetor - Either will have the stock Q-jet rebuilt and modified for more flow or will get Holly 750 or equivalent.
With this build I should have about 10.7:1 compression ratio.
I am thinking this build will give me about 420+ max HP at 5500 to 5800 rpm and about 450+ max torque at 4000 or less rpm.
I also think (hope) this will be a relatively smooth running, dependable, long lasting engine that will run on pump gas (91 octane).
This is my first engine build. I'd love to hear what you more experienced guys (or gals - are there any gals out there?) think. Especially which cam to use.
Thanks.
Craig