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Thread: New Carb and Spacer Reply to Thread
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  Topic Review (Newest First)
05-07-2019 09:21 AM
Big Dave Casting number 3872783 is off of a 1966 Impala-Corvette 327 275 horse equipped with a
Holley carb.

Big Dave
05-06-2019 05:33 PM
Darkoverlift Is this the casting number
05-06-2019 10:33 AM
Big Dave Post the casting number off the manifold. Holley square bore manifolds are rare and appeared on Corvettes only for the most part (though the full size also used them). A Corvette owner wanting to remove his Torker II for sake of originality would pay through the nose for that manifold if it is a square bore flange and not an old Rochester 4GC manifold with an adapter plate on top of it.

Big Dave
05-06-2019 10:23 AM
Deadwolf It is most likely an older factory 4 barrel intake. With the cost of aluminum intakes these days I would look into an edelbrock Torquer II intake, as you'll get more out of that than the carb spacer is going to give you.
05-05-2019 06:26 PM
Darkoverlift 1962 Impala SS, 283 V8. Edlebrock 500 CFM AVS 2 and Edlebrock 1 inch spacer installed.

Any idea what the manifold make or model is on the car? Its iron and no make brand listed on it.

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