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Rev · 12-29-2005, 04:26 PM

It doesn't really matter as long as you get intake vacuum to both the PCV valve and the modulator on the tranny. I believe my '66 originally came with a thick plate under the carb with the vacuum fitting to the PCV valve. I think the vacuum fitting to the transmission modulator came originally off of the intake manifold.

My after market Demon carb comes with a fitting off the back of the carb for the PCV valve and I do have a smaller fitting off the Edelbrock Air Gap intake for the vacuum modulator on the tranny.

Rev

12-29-2005, 04:26 PM	#2
Rev Registered Member Join Date: Nov 1998 Location: Houston, Tx. Posts: 3,887	Re: vacum lines It doesn't really matter as long as you get intake vacuum to both the PCV valve and the modulator on the tranny. I believe my '66 originally came with a thick plate under the carb with the vacuum fitting to the PCV valve. I think the vacuum fitting to the transmission modulator came originally off of the intake manifold. My after market Demon carb comes with a fitting off the back of the carb for the PCV valve and I do have a smaller fitting off the Edelbrock Air Gap intake for the vacuum modulator on the tranny. Rev __________________ '66 Coupe, 306, 350-375 HP, C-4, 13.07 e.t., 104.8 mph, 1/4 mi. O.B.C. #2 '66 coupe Last edited by Rev; 12-30-2005 at 07:29 PM..