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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!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: Mar 2014 Posts: 4,482 Moderator, Electrical Bay | | Moderator, Electrical Bay Joined: Mar 2014 Posts: 4,482 | I would say 3 to 3.5 psi at the most. Please avoid any of the inexpensive regulators being sold today. They won't do what you want and honestly may do nothing at all. I have an AutoBest F4027. It claims 2.5 to 4 psi and mine puts out 3 or just a bit more. It works fine. Good luck!
~ Jon
1952 1/2 ton with 1959 235 | T5 with 3.07 rear end
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