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Old 11-04-2009, 11:24 AM
BogiesAnnex1 BogiesAnnex1 is offline
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Originally Posted by Overdriv
The carb linkage on the rear 4779 Holley hits the carb adapter on our 6-71 blower setup on a BBC. We will have to use a spacer of at least 1/4" but will probably use a 1/2" spacer.

My question is is there any advantages to using a open spacer or a 4-hole spacer?
Open! A blower and it's manifold replaces and overcomes the issues that drive un-supercharged engines into 180 degree dual plane manifolds. So individual throttle hole spacers aren't necessary.

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