<VV> enrichment circuit ID

Grant Young gyoungwolf at earthlink.net
Fri Mar 1 06:28:32 EST 2013


Per the question on whether a carb has an enrichment circuit....all enriched carbs have a rivet near the lower center of the fuel bowl on the pump side of the carb. A very few smog carbs also have them. There is a problem, however. If the carb was ever rebuilt by a big rebuild company, it will very likely have the enrichment circuit plugged with a glob of lead. A dead give away is that they sometimes also plugged the base vent, but the only way to be sure is to take them apart. Sometimes the plug can be drilled out and sometimes not, if the lead found its way into the enrichment jet itself. I find dozens of nice LM carbs ruined this way every year.
The Carbmeister


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