73-87chevytrucks.com
73-87 Chevy _ GMC Trucks => Performance => Topic started 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?
-
Yeah right off of the carburetor.
-
Yeah right off of the carburetor.
x2
-
on the back of the carburetor where my brakes hook or up front?
-
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.