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Old 03-18-2012, 08:08 AM
454C10 454C10 is offline
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Are you trying to use a efi pump with a dead head fuel pressure regulator?

If so, that is a bad idea. You need to use a return style fuel pressure regulator with the stock efi pump.

what are the cam specs? Bigger cam require more timing at idle.

bogs at low rpm tend to be low timing and/or not enough accel pump.
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