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  • okc63avanti
    replied
    When I first noticed, I tried tightening the hose clamps but it just made matters worst. The new fuel-injection hose seems to have done the trick. After making the repair I took her for a spin on I-40 for about at speeds of 70-80 MPH, returned home and lines were bone dry.

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  • BobPalma
    replied
    Very much a related happening, RE: my "new" 1964 Daytona Wagonaire:

    Vic hadn't had the car running for a couple weeks before we got there to pick it up Thursday, January 31. We primed it with some gas in the carb, put the air cleaner back on, and it started right up and idled fine on its own fuel system. Vic drove it around the barn and then up onto the trailer with no issues, so it obviously had gasoline in the tank. (Of course, the battery hold-down was secure before attempting to start the car.)

    However, when chaining it down to the trailer, I noticed: The [probably, it looked like it] OEM fuel hose exiting the bottom of the gas tank was wet with fuel and badly age cracked. It was NOT dripping, but was clearly wet. Gasoline was thus evaporating from cracks in that fuel hose coming off the bottom of the tank, up to the fuel line along the frame.

    I made a note to replace that hose immediately when I got home, while the car was on the trailer and thus outside, in the event of any spillage.

    With a fresh, new length of contemporary 5/16" fuel hose in hand, I threw a large pan under the car on the trailer outside in the driveway, well away from the house, and gingerly pulled the old hose off, not knowing how much gas would pour out before I could shove the new hose over the tank nipple.

    No problem: Just a few drops of gas dribbled out, so little it couldn't be measured! Therefore, in the 7 days between when we loaded it and when I was able to replace that hose, it had evaporated (bled off) all the fuel in the tank through that cracked hose, even though it was not, repeat NOT, dripping! BP

    Last edited by BobPalma; 02-17-2013, 04:56 AM. Reason: spelling

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  • JoeHall
    replied
    Originally posted by StudeRich View Post
    Good catch, you may have that same issue with your Radiator and Heater hoses, they require a "re-torque" after break in from Temp. changes and vibration etc.
    I agree Rich,
    But re-torque is one thing, and at least the rubber holds up in the radiator hoses. It does not hold up with gas line hose, however, and re-torque won't fix the problem. At least that is what I thought the OP was talking about. It cracks badly and eventually will crack all the way through, even in locations other than the hot engine bay, i.e. back near the tank.

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  • StudeRich
    replied
    Good catch, you may have that same issue with your Radiator and Heater hoses, they require a "re-torque" after break in from Temp. changes and vibration etc.

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  • JoeHall
    replied
    I have had that happen several times and, like you, have just learned to keep an eye on the gas hoses. It seems modern gas, combined with cheap hose material, makes for a ridiculously short hose life. I understand the best gas line available now days is the kind with the blue lined core. It is expensive and hard to find though.

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  • okc63avanti
    started a topic Safety Reminder

    Safety Reminder

    My avanti finished her resto-mod last July just in time to attend the Nationals in South Bend and then afterwards to drive her home to Oklahoma. Yesterday I adjusted the choke and throttle and found the rubber fuel lines on either end of the fuel filter dripping fuel. Today I went and purchased some 5/16" fuel injection hose and replaced the rubber on both ends of the fuel filter.

    Had I not caught this, the story could have been a lot worst. Everyone do your self a favor and regularly check everything on your car for leaks. I assumed that with the recent restoration every thing was fine but it wasn't. Modern gasoline is not kind to rubber. I have heard that the fuel injection hose is better quality, so time will tell, but I will keep an eye on things from now on.
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