Thread: Holleys Very Rich ??
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Old 09-05-2003, 12:59 PM
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Join Date: Aug 2002
Location: Rockton, IL
Cobra Make, Engine: Midstates work in progress, personally built 302
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My carb is an 1850-5 1609. Holley said that it was built the 160th day of 1989. So I would surmise yours is 228th day of 1990. The 80457 I would guess was made the 50th day of 1988.

I'm sure you are already aware that the 80457 is an electric choke, the 1850 a manual choke, and both have the vacuum secondaries.

I'd be interested in sharing info as I'm running my carb now and can't get the engine to idle below 3500 rpm. I'm about to go into it to check out the power valves to see if they're blown. It has no response to the idle screws. Mine has the power valve protection, but I won't be surprised if they're blown. I don't think the "protection" is a guarantee...
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