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Old 10-10-2007, 05:46 PM
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need advice on 383 build up

ok i'm gonna use a 350 4 bolt man block to build a 383 i'm gonna buy a eagle street and strip rotating assembly 9:9:1 compression with 64 cc heads i looking to buy sum alumnium 64cc heads but i dont know wat size runners do i need?170cc or 200cc or wat?? also am looking to run a compcams 501 lift cam kit with a edelbrock intake manifold and shorty headers and this is gonna be in a 1985 s-10 long bed so wat size runners do i need wat brand heads and wat size carb do i need to run and i want a double pumper carb and about wat horse power can i expect to the ground??

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Old 10-11-2007, 08:36 AM
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Rather than guessing at what will work together, I suggest that you follow a proven combination from GM Performance in their ZZ3 - 383 CID.

ZZ 383 Tech Specs Block Part Number:

Block Type:
Cast iron with 4-bolt main caps

Bore x stroke (in):
4.00 x 3.80

Camshaft duration (@.050 in):
222 degree intake / 230 degree exhaust

Camshaft lift (in):
.509 intake / .528 exhaust

Camshaft Part Number:

Camshaft type:
Hydraulic roller

Compression ratio:

Connecting Rod Part Number:

Connecting rods Type:
Heavy-duty PM steel

Crankshaft Part Number:

Crankshaft Type:
Forged steel

Cylinder head Part Number:

Cylinder head Type:
Fast Burn aluminum; 62cc chambers

Displacement (cu in):

Engine Name:

Engine type:
Chevy small-block V-8

Ignition timing:
32 degree total @ 3000 rpm with vacuum advance disconnected

Maximum rpm:

Distributor with melonized steel gear MUST be used with long blocks and partial engines with steel camshafts, or engine damage will occur. We recommend HEI distributor P/N 93440806.

Piston Part Number:

Pistons Type:
Hypereutectic aluminum

Recommended fuel:
92 octane

Rocker arm ratio:

Rocker arms Part Number:

Rocker arms Type:
Aluminum roller style

Valve size (in):
2.00 intake / 1.55 exhaust

Big-block-style power from a small-block engine!
If you're looking for a small-block Chevy that makes big-block power, we've got the engine for you! For the ultimate GM Performance Parts small-block crate engine, choose the ZZ383 a combination of Fast Burn aluminum performance heads and a 383" stroker small-block that can add up to 425 horsepower and 449 lb.-ft. of torque.
A carefully engineered balance of torque-producing bottom-end power and horsepower-inducing Fast Burn cylinder heads combine for the ZZ383/425's stellar performance statistics. The Fast Burn heads have large 2.00"/1.55" valves and specially designed chambers that draw in lots of air and fuel, burning the mixture quickly and completely. It's a combination that generates great mid- and high-rpm power, which, when combined with the 383 cubic inch displacement, creates an awesome all-around performer.
The ZZ383 has a specially modified engine block and 3.80"-stroke crankshaft, which produce 383 cubic inches of pure performance. The reciprocating assembly is comprised of heavy-duty components including a 4340, nitrided, and induction-hardened forged crankshaft, and unique, heavy-duty powdered metal rods. It's 425 horses of bulletproof performance.
With the ZZ383/425, you get the power of a big-block with the size and weight of an aluminum-headed small-block.
If you've never driven a car with a stroked small-block and the top end components to support it, now is your chance!
**Applications have not been validated. They are merely suggestions of how you might enjoy your GM Performance Parts crate engine. Some applications may affect engine warranty. Some applications may not be emission legal; check state and local ordinances.

Read about it here:

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Old 10-11-2007, 06:28 PM
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Here is a site from the Knowledge Base,
has over 100 motor combs
Luv the smell of NITRO in the morning.
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Old 10-12-2007, 06:31 PM
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yea but i want to run my own set up and not sum 1 elses build
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Old 10-12-2007, 09:33 PM
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383 help

mxbadboy 3 I currently have a 383 in a 67 camaro appoximate weight of 3500lbs that runs 12.45 on a g-tech meter. The motor is basically the edelbrock rpm performer top end package 64 chambers 170 runners aluminum heads. Speed demon 750 DP with 10.1 keith black pistons. On the chasis dyno it put 323 hp behind a th 400. in a s10 this combo minus th400 would haul from what I heard every 100lbs of weight reduction in vehicle is a tenth of a second. hope this helps
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