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Old 05-14-2008, 08:17 PM   #10
haysonj
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Location: Santa Maria, Ca.
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Re: HEI Ignition installed

Quote:
Originally Posted by Momboy007 View Post
All,
Thanks for all the help, now I have another question, should I use the ported vacuum or the always on vacuum for the vacuum advance?

Thanks all,
Rick
You will want full vacuum at idle you get no vacuum from a ported vacuum until the throttle opens. Ported vacuum is something they used on early smog engines.
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