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Old 03-20-2012, 06:28 PM   #6
Pyrotechnic
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Join Date: Feb 2007
Location: Austin, TX
Posts: 3,930
Re: Driving Without HEI Vacuum Advance!

I would set the timing back to stock specs. Running without the vacuum advance will just give you bad gas mileage. Running with the whole distributor over advanced is not a good idea.
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