It seems like it cold be from excessive fuel pressure, but I'm using an edelbrock performer pump recommended for the rest of the edelbrock setup I'm running (rpm cam/carb/intake). The pump is supposed to be set at 6 psi max, and the recomended psi is around 5.5, although I don't understand how that little of a difference in pressure would make it run crappy, especially just idling when the pressure isn't that high anyway. Last friday it stopped bogging out and loading up, it's run ok for a week but it's still rich. If anyone wants to buy a 600 carb let me know.
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1990 Notchback: BBK Ceramic Coated Full length headers, Dr. Gas 3"- 2 1/2" x-pipe, Flowmaster 40's/turndowns.
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