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08-09-2015, 11:42 PM
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#18 |
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Registered User
Join Date: Jan 2007
Location: Topeka,KS
Posts: 778
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Re: HEI Mech advance spring help/timing adv advice
Some of those vac adv are adjustable, aftermarket. You pull the hose off and stick a alen wrench in the port. I had a Pontiac with the same symptoms. Also a intake leak will do that. If your running a alum intake you should use fiber gaskets instead of blue PermaTex's.
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68' C20. 283CI w/55CC 305HO heads, NP435 Close Ratio, Corp. 14 bolt FF 3.21, 75' front end swap (everything but the X-member). |
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