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Vacuum advance issues
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01-24-2012, 04:56 PM
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Katrina/10
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Join Date: Oct 2010
Location: Ocean Springs, MS
Posts: 1,746
Re: Vacuum advance issues
With 9.9 compression iron heads you'll probably have to run premium gas or very very little advance. Then you won't have much power.
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Gary
1971 Chevrolet C/10
1951 GMC 100
1977 GMC C15
1955 Chevrolet 3100
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