What i have learned about most Holley Vac Sec. is they don't always work right out of the box. In some cases they need a secondary Spring change .in some cases the spring is to heavy, This maybe something you may need to try and do. Or and besides the paper clip trick You can also install a bolt next to the secondary rod to make it move like a Mechanical carb. Just to see if you even feel the secondarys kick in or not.This is just another way to tell if they work or not,Or a pour mans Mechanical carb. hope this helps. }[oooooo]
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NovaMan/Twisted6/Larry
God doesn't like ugly.
