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Discussion Starter · #1 ·
got a 82 e150 w/300 six went through test and failed with HC's @ 215 ( ok) and CO @7.64, needs to be 1.20 or lower. Rebuilt carb new air filter fuel filter. All vac lines good but one. broken @ the water control valve for heat.
2 nd test also failed with HC's now @ 68 and CO @ 1.25. When I rebuilt carb, set the idle mixture @ 11/2 turns out from bottom. Do I need to turn in mixture screw in a little more to get CO down more or would that vac line cause it. runs good w/ no skipping, good power. Or just put the ahlcohol to it. where Where this is in a van, the idle mixture screw is almost impossable to get to.
thanks for any help.
 
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