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EFV-8 Club Forum / General Ford Discussion / Flex Fuel Line

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Posted By Discussion Topic: Flex Fuel Line -- page: 1 2 3     sunflower 04-12-2010 @ 10:38 AM reply profile send p.m. New Member Posts: 108 Joined: Feb 2010 I am replaceing the rubber flexable fuel line on my 35Ford do I need a gas proof sealer on the threads going into my fuel pump what should I use? Thanks in advance. Sun. supereal 04-12-2010 @ 11:39 AM reply profile send p.m. Senior Posts: 6819 Joined: Oct 2009 If they are the correct fittings, they don't need sealer. v8teditor 04-13-2010 @ 2:35 PM reply profile send p.m. New Member Posts: 146 Joined: Dec 2009 There is now a gentleman making NEW fuel flex lines that are impervious to the newer fuel. He also has a version with a check valve that does not allow the gas to seep back into the tank meaning it stays in the carburetor ready for the next start eliminating the need to pump the carb bowl full of gas before starting. These are pricey, around $40 for the one with the check valve. He advertises in the V-8 TIMES. Might be worth checking out for more details. Or ask here on the forum for feedback from anyone who has installed one of these. They are fairly new. Stroker 04-13-2010 @ 3:23 PM reply profile send p.m. Senior Posts: 1460 Joined: Oct 2009 The flex fuel line has always been a point of frustration on early Fords. The old "Weatherhead" style was a little easier to trouble-shoot, as it was rubber covered, and if you sharply flexed it, you would see the cracks leading down into the fabric reinforcement. Later after-market flex lines were wrapped with a metal braided outer sleeve, which makes sense on a pressure line, but not on a line that is a suction line. The metal braid essentially hid the deterioration of the hose contained within, making it hard to trouble-shoot. In essence, that line has to be air-tight. If air bleeds in, the pump cannot pump air. Lack of evidence of fuel leakage does not mean that the line is OK. Yes! check out your V8 Times, and order a good flex line, as described above. 37RAGTOPMAN 04-14-2010 @ 5:10 AM reply profile send p.m. Senior Posts: 1965 Joined: Oct 2009 ANTIQUE PARTS CELLAR in MASS, Sells a nice flex line, and also has the 2 copper tapered washers, so you get no leak back into the fuel tank from the car sitting and causeing hard starting I installed one in my 37 FORD V8 years ago and have had no issues, hope this helps 37RAGTOPMAN jerry.grayson 04-14-2010 @ 2:02 PM reply profile send p.m. New Member Posts: 128 Joined: Oct 2009 I have never seen the need for a check valve. The fill line to the carburetor is above the fuel level so how can it drain back to the tank? The fuel goes somewhere, but it cannot go back to the tank. It either evaporates or leaks down in the engine. I vote for leaking down in the engine!! 51f1 04-14-2010 @ 4:30 PM reply profile send p.m. Senior Posts: 573 Joined: Oct 2009 If your fuel leaks down from your pump, you need to rebuild or replace your pump. Installing a flex line with a check valve just masks the problem. Richard 37RAGTOPMAN 04-14-2010 @ 4:50 PM reply profile send p.m. Senior Posts: 1965 Joined: Oct 2009 gravity makes the fuel run back to the tank, the tank is lower then the fuel line, and carb, the AIR leaks in the fitting in the flex line overtime and this causes the fuel to drain back to the tank, give PARTS CELLAR a call and I think the owners name is Tom,he will explain, if you replaced your line with the 2 tapered copper washers you would see what I am talking about, NO MORE POURING GAS DOWN THE CARB,!!! there is also the pressure in the atmoshere , THINK about this, how does a barometer work ? low pressure high reading, high pressure low reading, this is the one with liguid in it, this also gets included in the mix of things, if you pour gas in the carb to start you are putting raw gas in your crankcase,, and thinning your oil, if your carb drips, this is a thing you must repair, if you think this is happening, next time you drive you car,take the aircleaner off after shutting it off, look down the throat of the carb and see if it drips, I think there is also a little amount that evaporates but not enough to empty the bowl? also on the 97 carb, there are 2 to brass plugs for the main jets, these 2 brass screws also seep gas,they need good gaskets, if your car sits, just run your fingers in the front under the bowl and you might feels sticky gas residue there,or use a mirror my 3 cents37RAGTOPMAN, This message was edited by 37RAGTOPMAN on 4-14-10 @ 5:22 PM oldford2 04-14-2010 @ 5:42 PM reply profile send p.m. Member Posts: 275 Joined: Oct 2009 I just ordered a new line from Gadgeteer.com (sp). I have heard many stories of the lines being "dissolved" (sp) by the new gas so thought I would break the "If it ain't broke, don't fix it" rule. We are headed to Nova Scotia in August in our 46 and I am trying to think of any problem that might happen. Plus a trunk full of spare parts. I will have my EFV8 roster with me just in case I need help enroute. John 37RAGTOPMAN 04-16-2010 @ 5:14 AM reply profile send p.m. Senior Posts: 1965 Joined: Oct 2009 oldford2 are you taking RT1 up though Maine to NOVA SCOTIA I am on RT1 half way up.in SEARSPORT, STOP IN, 37RAGTOPMAN LOOK for the LIGHTHOUSES on the FRONT YARD

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