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Carter AFB Float Level

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Old Feb 11, 2025 | 05:26 PM
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Default Carter AFB Float Level

I have a 62 Corvette with the original Carter AFB 3310S. Can someone help me the correct float level?

The Corvette servicing guide shows the float level should be 5/16 and float drop should be 3/4.

The Carter repair manual says a 62 Corvette 327 float level should be 7/32 and the drop 23/32.

The carb rebuild kit I used says a 62-65 327 Corvette float level should be 7/16 and drop 23/32.

I’m leaning toward going with the Corvette Service Guide specs. Just curious which is correct? Thanks.
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Old Feb 11, 2025 | 09:42 PM
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For what it is worth, the Motor Repair Manual (the Bible in its day) says 7/32 float level for both primary and secondary, and 23/32 for float drop, primary and secondary.

My Manual covers all carb specs from '59-'66, including Holly, Rochester, and Carter, and specifically lists your 3310S.

Last edited by Dan Hampton; Feb 11, 2025 at 11:20 PM.
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