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Old 11-26-2020, 02:25 PM   #1
Ptjsk
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Join Date: Jan 2018
Location: Northern CA
Posts: 588
Performance Lacking in a 383 Build.

Hey Guys,

I had my motor built from a friend who's (was), a reputable engine builder.

Unfortunately, he recently passed away.

The motor is the original 350 (to my Jimmy), and I did go with an Eagle 383 (B13005E-030), rotating assembly.

The motor has Edelbrock RPM heads, and an Edelbrock aluminum manifold. Has the Pertronix ignition module in it, and a small RV cam in it as well. The cam is a "Howards" number CL113215-10 hydraulic roller.

The original Quadrajet carburetor was rebuilt (76 jets), and placed onto the motor.

The motor runs very well, but it just seems to lack power, and doesn't provide the "punch" I was expecting.

I'm running 33" tires with 410 gears, behind a Turbo 350 transmission.

Thinking of trying to go with a Holley carburetor and see if that makes any difference.

Does anyone have a suggestion of which Holley I should use for this set up?

Thanks, Pat
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