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73-87 Chevy _ GMC Trucks => Performance => Topic started by: mikewb on August 09, 2008, 03:56:42 pm

Title: holley carb
Post by: mikewb on August 09, 2008, 03:56:42 pm
trying to put a holley 600 on my small block. aluminum intake. wont fit because of hitting where my transmission vaccum line hooks up on the back of the intake.  any other place i can pull vaccum for it soo i can fit it?
Title: Re: holley carb
Post by: VileZambonie on August 09, 2008, 04:27:25 pm
Yeah right off of the carburetor.
Title: Re: holley carb
Post by: camdenoilchange on August 09, 2008, 05:30:03 pm
Yeah right off of the carburetor.

x2
Title: Re: holley carb
Post by: mikewb on August 11, 2008, 12:39:48 pm
on the back of the carburetor where my brakes hook or up front?
Title: Re: holley carb
Post by: eventhorizon66 on August 11, 2008, 07:31:11 pm
Yes, there are two full vacuum ports; one in the front (3/16", I think), one in the back (3/8").  The 3/8" rear vacuum port would be for PCV, power brakes, TH350 vacuum modulator, etc.  If you can't use the port on the manifold, I guess you'll just have to use some tees.