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scarabrick

07-29-2002 04:43 PM

ot: Help Timing question for sbc400

On my Car I have a GM hei and I need to know the initial and what should the total be with the vaccum hooked up.

Thanks
Rick

SteveS

07-29-2002 06:53 PM

Should be 4BTDC w/o vacum @ idle, or I believe 2BTDC if it has Cali emisions.

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