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65 Chevelle running rich?


zeitgeist57

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Guy has a rebuilt 400 bored .030, a new 650 double-pumper, and still has a really rich running engine. Starts and idles like a champ...no ticking on cold start, and the spark plugs are wet after less than 100 miles.

 

Any help would be appreciated. I thought his electric fuel pump (unregulated) is pushing too much PSI, causing fuel to run past the carb needles and floods it?

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what fuel pump?

 

fuel pressure is the first thing to check.

then checking the float levels. but if plugs are wet, then i would also say check compression aswell. if the rings havent seated, you can compress the gas.

have also seen the timing being out of wack cause this.

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