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68/72parts · 03-20-2006, 03:18 PM

The tach should be grounded somehow with a wire or by the mounting surface! your vacum seems to about right as long as you have a faily stock cam etc.

03-20-2006, 03:18 PM	#6
68/72parts Registered User Join Date: Jan 2006 Location: Chilliwack B.C Posts: 59	Re: Vacume Guage question The tach should be grounded somehow with a wire or by the mounting surface! your vacum seems to about right as long as you have a faily stock cam etc.