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Old 02-01-2013, 07:59 PM
demarques_191 demarques_191 is offline
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building the right street setup for a 383 chevy

I have a 3970010 high nickel 350 2 pc, 4 bolt main block that i am taking to the shop to setup for a 383 CID.

I have decided to go with Comp Cams XR270HR retrofit camshaft, RPM range 1600-5400, LSA .495/.502, 218 intake/224 exhaust LSA 110.

I have decided to go with the Edelbrock Air Gap RPM Intake, Edelbrock Performer RPM cylinder heads 64cc with 185cc intake runners.

The bottom end will all be Scat Rotating assy with ARP bolts including its Forged steel crank, forged steel rods, 5.7 rods, Flat tops with 2 valve reliefs, the piston head is 5.00cc floating wrist pin. Forged Aluminum pistons...

Edelbrock Carb 650 thunder series AVS

i really dont want no more than 9.5 to 10.1 compression for this setup but i will be running a fully built 700 r4 for the transmission, 3.42 gears and its going into a 1978 chevy silverado big ten.

I am looking for a good street motor that i can have fun with, that is strong, reliable, sounds nice, i can cruise on the highway or get down on it on the highway if i wanted too. I dont intend on this motor EVER going to the strip or drag racing...

So how does my set up sound for a street motor? is the edelbrock heads flowable enough for the 383? Is the camshaft a good one for my combination? should i find the camshaft with a lower rpm range such as the xr258hr, 110 lsa, .480/.487 , rpm range 1000-5000 or the xr264hr with .487/.495 with a rpm 1200-5200..... let me know your opinions
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