vac. secondary

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vac. secondary #914288 01/26/11 10:09 AM 01/26/11 10:09 AM
Joined: Oct 2009 Posts: 92 south carolina U.S. D DOUGG OP member
DOUGG OP member D Joined: Oct 2009 Posts: 92 south carolina U.S.	I'm going through a holley 750 vac. sec.[80508s]. Anyone know the factory setting for the sec. blades ? Just want to check & make sure it hasn't been monkeyed with before. [

Re: vac. secondary [Re: DOUGG] #914289 01/26/11 12:33 PM 01/26/11 12:33 PM
Joined: Jan 2003 Posts: 5,789 Hamilton, Ontario Canada Magnum master
Magnum master Joined: Jan 2003 Posts: 5,789 Hamilton, Ontario Canada	Open it up so it's not bottomed out in the bore. I've flipped the set screw so you can access it bolted to the intake. Or even switch it out to a hex head set screw. Then you can open it up a bit more to bleed in some air on big cammed engines. 69 Super Bee, 93 Mustang LX, 04 Allure Super

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