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Discussion Starter #1
Been monkeying with performance Holley carbs for over forty years. Just had a brass float sink! Parked the car for about two weeks after having driven it a 100 miles or so. Went to start it and it seemed to flood out right away. Pulled air cleaner and tried to restart. Had a geyser out the front bowl vent. Pulled the bowl and sure enough the float was full of fuel. Well, there is a first time for everything o_O
 

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I've had several brand new brass floats fail in recent years. I'm to the point now where I'm installing new nitrophyl floats in pretty much every Holley I can.
Those leak too. They get pinholes in them. In fact, I've had so many of the nitrophyl floats fail that I prefer the brass floats.

I wonder if ethanol in our fuel causes the problems?
 

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Congratulations on 40 years before Murphy showed up! I always replace floats during a a rebuild but keep the old on on the shel in case I need an emergency spare.

Two things I never use to replace because they "never fail" but now I always do. Carb floats, points condensers.
 

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Boldly procrastrinating
66 El Camino 57 Chevy pickup 2004 Tahoe
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29,120 Posts
I've been using/building Holleys for over 40 years now, I have seen exactly 1 (one) leaky brass float. It was in my own carb in my dialy driver too.
 
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