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Old 11-26-2020, 03:21 PM   #5
Ptjsk
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Join Date: Jan 2018
Location: Northern CA
Posts: 588
Re: Performance Lacking in a 383 Build.

Quote:
Originally Posted by truckster View Post
It's not the carburetor, unless it was put back together wrong. A Quadrajet should be plenty of carburetor for that engine. Do you know what pistons were put in it? Which RPM heads? What's the compression ratio? The cam looks good, and the extra 33 cubic inches should be noticeable, but it's also possible it's a question of tuning.
The pistons are Hypereutectic aluminum flat top with two valve reliefs. Provided with the Eagle Rotating Assembly kit.

Plus, the mechanic rebuilt the Quadrajet an has literally gone though hundreds, if not thousands of them. Not to say a mistake couldn't have been made, but probably unlikely.

Damn....just come through your area on my Elk Hunting trip! LOL!

Pat
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