| JoanRebholz | -- 08-15-2013 @ 6:18 PM |
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Thanks again for all your help to my friend. New question, please: Regarding 1946 Ford V8, he is planning to install a new 6 volt low pressure electric fuel pump (Airtex pump). He knows that it should be installed as close to the fuel tank as you can get it, but the 46 chassis is enclosed about 4 feet from the fuel tank. So the closest he can get the pump is 5 feet back from the fuel tank. Is this feasible? What's the best way to do this? Thank you very much for all thoughts, recommendations.
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| supereal | -- 08-15-2013 @ 6:45 PM |
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Any place along the left frame rail is OK. We install an in line fuel filter between the tank and the pump. Many use a spring loaded switch to run the pump, but we don't, so the pump can be left on in the event the stock pump fails. We secure the pump and line with "zip ties", and always use worm gear clamps on any hoses.
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| Old Henry | -- 08-16-2013 @ 7:29 AM |
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Here's a picture of my installation. Old Henry (The older I get, the better old looks.)
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| Old Henry | -- 08-16-2013 @ 7:35 AM |
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Even with the low pressure Airtex pump I still needed a pressure regulator. Here's mine installed just forward of the pump. Old Henry (The older I get, the better old looks.)
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| TomO | -- 08-16-2013 @ 7:51 AM |
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Old Henry, I like the way that you uses steel line all the way to the firewall. The rubber hose connections leak vacuum and make it hard to prime the mechanical pump if the electric fails. Tom
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| nelsonford | -- 10-13-2013 @ 12:48 PM |
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Did anyone ever try using a outboard motor tank rubber hand bulb to pump fuel to the carbs so as not to run the starter so long. I installed one 4" before the pump. I also insulated all metal lines and corrected and tighted all fittings and used correct rubber fuel lines to pump and carbs. I have a pressure regulator between the pump and carbs. I still get a little vaporlock so I am contemplating an Electric pump. Sounds like the Airtemp inline is the one to use. I guess I will lower the carb floats as I also get the fuel smell after shutting down.
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| supereal | -- 10-14-2013 @ 9:15 PM |
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We are finding clogged fuel lines from the tank to the firewall are often the cause of "vapor lock". The stock line is just large enough to supply adequate fuel under high demand. If your problem occurs when going uphill or accelerating, run a quantity test at the carb. It is important to remember that good pressure isn't a sure sign of flow. Alcohol laced gas appears to affect the lines, allowing moisture to attack the line where the copper coating is breached, causing rust. It also loosens old deposits in the tank, firther hampering fuel delivery.
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| nelsonford | -- 10-21-2013 @ 12:30 PM |
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Thanks supereal! I know I have had problems before getting the gas up from the tank and have had inline filters that were clogged with fine rust particles from the old tank. That should be something I should recheck because it was quite a few years ago I had that problem.
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| supereal | -- 10-21-2013 @ 4:14 PM |
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I put a plastic tank in my '47. No more rust or alcohol debris. Mine came from a company called "Yogi's". It is first class material, and ended the clogged filter problem, and the gas smell from pinholes in the top of the original tank.
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