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By Y block Billy - 9 Years Ago
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I recently recieved a couple "factory replacement" fuel lines from Carpenters and noticed a huge difference in the size of the opening on each end. This is the line that goes from steel line to fuel pump and at the other end there is the same line that goes from tank to line under the floor on a 61 F350. They may be ok for a 1bbl 6 cylinder but any large performance engine requiring fuel would starve and the people would probably never know it. I brought the subject up to Carpenter and they directed me to a couple other suppliers that they get them from. I am also curious as to the outcome, Where is the QA these days. I also tried to drill one out to near original size but the inner had not enough meat in it and I pulled the hose off to find nothing left.
Female end
Male end
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By Daniel Jessup - 9 Years Ago
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huge difference!!! I wonder if some "generic" supplier might have a better hose for just such a purpose. Or maybe it is time to go with a flared fitting on both the fuel pump inlet and then the main feed line from the gas tank? You could then put a rubber hose between those two. With clamps it may stand out more than you want. But I have gone that route in the past.
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By Cliff - 9 Years Ago
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Hi, I've been fighting bad parts for a long time, now have to look at everything.
Cliff
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By Y block Billy - 9 Years Ago
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I wrote carpenter on this and they said they talked to their supplierand that the supplyer tested the lineson a running vehicle and had no fuel issu problems. I wrote them back and asked what type motor they tested it on and they answered me that they were tested with a stock flathead engine. HMMMMM! little different than if it was a dual 4 bbl 427 or 428! I dont think these hoses would feed one of those!
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By Ted - 9 Years Ago
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Billy. Definitely doesn’t sound like much of a test. A stock flathead in good condition is doing its best to make 110HP when pushed. Mediocre Y engines will make 225HP and with any mods at all, much more. Some rudimentary math says that the fuel flow requirements for 225HP versus that for 110HP will be more than double. It’s also interesting to note that when Ford offered the 360HP 352 engines in the ’60 models, the fuel line size from the tank was stepped up in size from 5/16” to 3/8”. Based on that, the Carpenter fitting is grossly undersized.
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