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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!
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| | | | Joined: May 2015 Posts: 11,164 Housekeeping (Moderator) Making a Stovebolt Bed & Paint and Body Shop Forums | | Housekeeping (Moderator) Making a Stovebolt Bed & Paint and Body Shop Forums Joined: May 2015 Posts: 11,164 | I have the vacuum lines that came off a 58 235 with fuel/vac pump. The two threaded ports get the lines that are routed alongside the fuel and distributor vacuum lines around the front of the valve cover. I'm not sure at this point which of the threaded ports is IN and which is OUT, but that wouldn't be hard to figure out by moving the lever with a thumb over one port. My pump is an AC4080 with glass fuel bowl. I don't recall seeing a non-threaded port on the vacuum section, but could go check. If you'd like a photo of my pump, I could do that as well.
Kevin 1951 Chevy 3100 work truckFollow this saga in Project JournalPhotos 1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car) Busting rust since the mid-60's If you're smart enough to take it apart, you darn well better be smart enough to put it back together. | | |
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