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| | | Forums66 Topics128,076 Posts1,055,920 Members48,429 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Aug 2011 Posts: 32 New Guy | | New Guy Joined: Aug 2011 Posts: 32 | Since I have electric wipers, can I use that vacuum port on the back of my Offy intake for the distributor and just plug the ones on the carbs? If not, then could you explain why so I'll know?
OUP
Last edited by OldUsedParts; 11/25/2011 8:46 PM.
"when I grow up - please go ahead and dig my grave!"
| | | | | Joined: Jun 2008 Posts: 1,388 Shop Shark | | Shop Shark Joined: Jun 2008 Posts: 1,388 | You need the "ported" vacuum from one of the carbs for the dizzy, not manifold vacuum. I'm sure someone with more knowledge will tell us the difference, all I know is that the are not the same. | | | | | Joined: Jul 2001 Posts: 3,887 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Jul 2001 Posts: 3,887 | read this - ported vacuum was the first attempt at emissions control Bill | | | | | Joined: Aug 2011 Posts: 32 New Guy | | New Guy Joined: Aug 2011 Posts: 32 | Thanks Squeeze, even I can understand that.
I appreciate it,
OUP
"when I grow up - please go ahead and dig my grave!"
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