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Re: ethanol! Chevelle
If you have a soldered brass float in your carb, it may eventually leak and fill, flooding the engine. Ethanol and methanol have an affinity for lead, so the solder and even some bronze can be dissolved slowly. I recently had a Q-Jet and Holley 4150 with brass floats and each had leakage. I changed to plastic floats all around for about ten bucks apiece and solved the issue. I've been using ethanol blends since about 1976.
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