400 hesitation????
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400 hesitation????
I have a 400 in my 78 super crew 4x4 I recently replaced the headers intake and carb took the heads to a local shop for pressure test and cleaning and resurfaceing. the new intake and carb is a Edelbrock. 600cfm I have a spot in the gas pedal where the truck wants to die? If I mash the pedal it hesitates then I let off the pedal and feather it, it then comes to life. Any ideas on what could be the problem? all vac lines are correct, timing is good ,msd ignition is fine. HELP!!!!!
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