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Old 10-05-2012, 12:05 PM
ttjsk812@aim.com ttjsk812@aim.com is offline
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sbc 355 ported vs manifold vacuum for advance

Hi guys, I have a sbc that i just converted from ported to manifold vacuum on the vacuum advance. Just trying to see if the truck runs better but so far not seeing much of a difference. In fact it may run worse now. What do you guys think about the two?
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