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Author Topic: flow rating 17056263 vs 17056261  (Read 1938 times)

Offline dhopkins52

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flow rating 17056263 vs 17056261
« on: August 05, 2012, 04:02:27 PM »
Is there any difference in the flow rating for a 17056263 from a 76 400 Pontiac versus a 17056261 from a 76 455 Pontiac.
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Offline Cliff Ruggles

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Re: flow rating 17056263 vs 17056261
« Reply #1 on: August 06, 2012, 04:53:49 AM »
All of the later front inlet Pontiac carburetors (non CCC) are the same castings.  They still may have different "flow ratings" as the 301 carburetors had a longer stop for the secondary airflaps, most of the others had the same length stop.....Cliff
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