Vaccum lines?

1972_442 · March 12th, 2008, 04:03 PM

could someone tell where the vaccum ports to the carb hook up to. its a holley 4bbl 650 the a short metal tube on the opposite side of the throttle linkage thats sucking air, i put my finger over it and the engine runs a lot smoother so for right now i just have that line plugged but i have the feeling that it goes to something.

speedy_87ss · March 18th, 2008, 12:40 AM

the only one you need to worry about is vacuum advance. RH side of metering block. Any others, cap them.

March 12th, 2008, 04:03 PM	#1 (permalink)
1972_442 Junior Member Join Date: Nov 2007 Location: charlotte,nc Posts: 10	Vaccum lines? could someone tell where the vaccum ports to the carb hook up to. its a holley 4bbl 650 the a short metal tube on the opposite side of the throttle linkage thats sucking air, i put my finger over it and the engine runs a lot smoother so for right now i just have that line plugged but i have the feeling that it goes to something.

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March 18th, 2008, 12:40 AM	#2 (permalink)
speedy_87ss Junior Member Join Date: Feb 2008 Posts: 23	the only one you need to worry about is vacuum advance. RH side of metering block. Any others, cap them.