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Mr Fixit,
I have the same problem with my 600cfm double pumpers on a 428. When I make a hard left turn, the engine dies or sputters real bad and when I restart it, its very rich -- black smoke bellowing out the pipes. Holley said the floats were set too high and to turn the float adjustment screw in a half a turn. I took their advice and it seemed to help, but I think I may have to give it another half a turn as it tried to do it to me again when I had it on the Talladega Grand Prix Track but it wasn't as severe.
I guess you have to keep playing with the float levels until it runs right. I think adjusting it so you have to rock the car to get it to flow out the sight hole is just a good starting place and then you have to play with the adjustments from there.
Does this sound like the proper approach to you?
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Jer
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