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Prepping the Frankentrike for MB and thought I'd revisit an issue that's bugged me for a while. I have a nice fancy, high dollar Pingle petcock with a 3/8 nipple on the tanks and a 5/15 high flow fuel inlet replacement on the carb. I have to force a 5/16 fuel line on the petcock and it's a royal pain. Why the mismatch? I've looked and looked, and it seems you can get 1/4-inch petcock and 1/4-inch inlet replacements, but all the high flow stuff is 3/8 for the petcock and 5/16 for the inlet. In all my searching I've found exactly one 5/15 petcock and it costs more than my expensive Pingle. This can't be a unique issue, so how do you all deal with it?
I had a similar situation on one of my custom bike. The S&S E carb uses a 5/16" ID gas hose and the petcock is 1/4" ID. I went to Lowes and got a 90 degree barb elbow fitting reducer. Since the hoses are black, I painted the fitting with some black touch up paint.
I meant 5/16. Sometimes my fingers have their own brains. Yeah, I guess can find another Pingle or comparable with enough searching, but I don't want to spend another $165 since what I have works fine. It's not that I need a high flow, it's that I have it. I think an adapter fitting is my answer.
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Why? Fue line mismatch
