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Old 12-15-2009, 04:30 PM   #1
BluTrukker
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Join Date: Mar 2008
Location: Stewartville, MN
Posts: 440
HEI question

I have 2 used HEI's that I can to upgrade my truck. I am not all that familiar with them, and need some advice. They are both out of mid 80's trucks. One is off a big block and one off a small block. I haven't closely inspected either one yet, they are laying on a shelf at my buddies place and he told me I can have whatever one I want. One has a vacuum advance and one doesn't. Whats the deal with that? I thought all the older stuff had vacuum advance? Is there a benefit to using one over the other? I am putting it on a 307, so I'm only looking for reliable cruising not power.
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Last edited by BluTrukker; 12-15-2009 at 04:31 PM.
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