Quote:
Originally Posted by leegreen
My guess is that is just boost pressure on that barb / gauge and no fuel present.
The regulator I linked had a threaded port where you could screw on a gauge, or just search around for a regulator with gauge - they are common.
I can understand why you would want to see both fuel and plenum pressure while driving with a blow through carb setup.
if you are replumbing consider adding a fuel return line and getting a non-blocking regulator, the electric pump will like having some flow at all times better.
Not sure why you would need dual pumps. The mechanical pump you show looks like a pretty standard 235/261 pump from the pictures.
When was that engine built? it is a pretty cool piece of inline 6 hot rod history.
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Lee, the short version of this jigsaw puzzle truck is that it was owned by the same family since new. Father, then son who began a full restoration and hot rod build in the early 2000's. He apparently stopped working on it around 2010-2012. The truck was sold by the window to my buddy around 2016, who did little to it but shoot WD-40 into the cylinders and hand crank the engine. I fell in love with it the day he bought it, but he wasn't ready to part with it until recently. The truck should be a part of hotrod history. A some point it was a pusher truck in the Bonneville salt flats and thus was outfitted with the McCulloch supercharger from a 58-59 Studebaker.
While I consider myself that caretaker of this truck, I want to update some of the systems that make it stop and go. Thus, a bit of a make-over of the fuel system, as well as four wheel disk brakes and an electric master cylinder. Right now, the fuel system is at the top of my projects list. I've removed the cabin fuel tank and plan on mounting it in a vintage steamer trunk in the bed, using flexible stainless tubing to feed a fuel pump. I've been questioning the need for the mechanical fuel pump too. If I find the regulator that works and looks right, I might consider ditching the mechanical pump.