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02-01-2008, 12:35 PM | #1 |
Registered User
Join Date: Dec 2007
Location: Central Coast, CA
Posts: 177
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Argh! Stumble off idle with new parts?!
So I have a brand new crate engine, a professionally rebuilt Rochester quadrajet carb, new fuel pump, new accelerator pump, and mostly all new parts in my car. Engine is timed at 10* BTDC and fast/slow idle set to recommended specs.
Engine runs like a dream, except for the stumble off idle. Damn. I have narrowed it down (I think) to my fuel mixture being too lean, but I need some opinions and advice to be sure. And I forget: is turning the screws in clockwise = more air or more fuel? ...This is where the Haynes manual fails - "adjust mixture as necessary." Er, ok, great directions there, Lou...
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1974 GMC C-10; my new addiction 1998 4 Runner; daily driver |
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