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Author Topic: Float Height  (Read 835 times)

Offline TravisUT

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Float Height
« on: February 06, 2026, 07:51:11 PM »
What is the correct float height for carb 17080212 with 0.135" seat and brass float? Using with a mechanical fuel pump, a pressure regulator set to 5-5.5 PSI, mounted on a 454 street/stock setup.
« Last Edit: February 06, 2026, 07:57:43 PM by TravisUT »
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Offline Kenth

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Re: Float Height
« Reply #1 on: February 07, 2026, 05:19:45 AM »
Rochester never used brass floats for any Quadrajet, with the original type nitrophyl float the setting is 3/8".
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Offline TravisUT

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Re: Float Height
« Reply #2 on: February 07, 2026, 07:28:43 AM »
Thank you. The float has a brassy color, so I assumed it was brass; I have no idea! 😁
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Offline 77cruiser

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Re: Float Height
« Reply #3 on: February 07, 2026, 11:10:19 AM »
It could be brass the aftermarket sold them.
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Jim

Offline Cliff Ruggles

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Re: Float Height
« Reply #4 on: February 10, 2026, 03:22:02 AM »
NEVER use a brass float in a Quadrajet.  They do not produce the same fuel level as the far superior nitrophyl floats and since 2005 the brass floats are made in Taiwan and will leak at the soldered joints and sink......
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