marcapra Posted January 26, 2023 Share Posted January 26, 2023 I finally got my engine started on my 48 DeSoto. But I have an oil leak at the oil pressure gauge because I have the wrong metal tube that goes from the rubber hose to the gauge. The gauge needs a bubble flare with 27 threads per inch connection. I just have an regular brake line connection with an inverted flare, which is wrong on the gauge end. Does anyone have this part for sale? Thanks, Marc. Link to comment Share on other sites More sharing options...
JFranklin Posted January 26, 2023 Share Posted January 26, 2023 I would try a local NAPA auto parts store first. Link to comment Share on other sites More sharing options...
Oldtech Posted January 26, 2023 Share Posted January 26, 2023 You should be able to get the nut and furell at Napa or any auto parts store. They aren't flat on one side like the picture but if you get the nut, it will work. 1 Link to comment Share on other sites More sharing options...
Digger914 Posted January 26, 2023 Share Posted January 26, 2023 Bubble flaring kits aren't all that expensive and handy to have in the shop. If you have the original nut, cut the line to get your wrong fitting out of the way, and hand it over to anyone who has the tool to bubble and double flair. If you're not a thousand miles away swing by and I'll do it for you. I'm in Minneapolis MN. 1 Link to comment Share on other sites More sharing options...
marcapra Posted January 31, 2023 Author Share Posted January 31, 2023 I'm not a thousand miles away! I'm more like two thousand miles away, so see you soon. 2 Link to comment Share on other sites More sharing options...
dodge28 Posted February 1, 2023 Share Posted February 1, 2023 There are 2 different type of ferel . One that is flat on one side and the other is barrel shape. The nuts to compress them are also different. Look at the shape of the part on the gauge. 'Plumbing Supplies, carries wider stocks. Link to comment Share on other sites More sharing options...
NailheadBob Posted February 1, 2023 Share Posted February 1, 2023 Could this possibly be the fitting you’re looking for? @Bloo found this fitting for another forum member . Bob Link to comment Share on other sites More sharing options...
Bloo Posted February 1, 2023 Share Posted February 1, 2023 I don't think it is quite the same as "threaded sleeve" (?). I am not sure what I am looking at in the photo, but it does appear to have a more round nose than a "threaded sleeve" nut. There is some kind of a fitting where the ferrule part breaks off in installation leaving a free-spinning nut. I think those have a more rounded nose than the "threaded sleeve" fitting, so might be closer, but it still doesn't seem quite like a match to me. Modern aftermarket oil pressure gauges with their plastic (and sometimes copper) tubing use a 2-piece ferrule-and-nut affair where the gauge facing part of the ferrule is tapered, but the rear facing part is flat, unlike a plumbing ferrule, and a flat faced nut pushes against the flat back side of the ferrule. This setup also seems closer but still not quite a match (?). Is that fitting in the photo 2 pieces? What holds it on the tubing? Does the brass face do the sealing? The drawing suggests it might be one piece with a machined gap?. @c49er @Rusty_OToole @keithb7 Link to comment Share on other sites More sharing options...
Joe Cocuzza Posted February 2, 2023 Share Posted February 2, 2023 Not the best picture but I have what he needs. Link to comment Share on other sites More sharing options...
Joe Cocuzza Posted February 2, 2023 Share Posted February 2, 2023 Not the best picture but I have what he needs. 1 Link to comment Share on other sites More sharing options...
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