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  #1  
Old 10-04-2006, 06:23 PM
JLM440 JLM440 is offline
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Default Severe Stumble

I'm trying to determine if its the carb or ignition, its a stock 440 (77) with headers, it idles great, VG throttle responce, but in gear when i try going past say 1/4 throttle it stumbles bad (and misses), when i go to full throttle it clears up & doesn't miss a bit, the plugs are champs, they look ok ( light to med bown) but don't look fouled, it will idle all day long & its not loading up at all, what should i look at, one thing i noticed is they put a orange box on the stock 5 peg wiring with the dual ballast, would this cause a problem?

Thanks.
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Old 10-04-2006, 06:26 PM
JLM440 JLM440 is offline
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Oh, the carb is a 750 eddy
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Old 10-04-2006, 07:17 PM
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rumblefish360 rumblefish360 is offline
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Try upping the squirter size.
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Old 10-04-2006, 07:21 PM
ace26 ace26 is offline
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Had the same problem with the eddy on my duster,also a 750, putting in a diff set of springs cleared it up,i think i used the pink springs.
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Old 10-04-2006, 07:44 PM
JLM440 JLM440 is offline
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I've got a holley 750dp with a proform MB & billet M. Blocks, i'm going to try it.
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