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i have a 72 chevelle with a 350 and HEI.i have a edelbrock performer intake, and a performer carb #1407(750 cfm, manual choke), i have the plugs gapped at 0.055, and and the timing advanced to about 4 degrees ATDC. i have a summit racing fuel line w/-6 an fittings, and a spectre clear view fuel filter. anyways to make a long story short, on hard excelleration, or when i floor it, it will either stall completely, bog down, or back fire. the bogging occurs also when i first start the car, and haven't warmed it enough. why is this doing this???? i also have crappy fuel miliage. help me please!!!! thanks in advance
mike
mike