From: Mel Miller (nourmahal@worldnet.att.net)
Date: Mon Jan 19 2004 - 23:39:10 PST
Howdy Ken,
Good point.
Thanks,
Mel
On Tuesday, January 20, 2004, at 03:22 PM, kuhrick wrote:
> i did have to replace the short rubber fuel line in front of the
> right back tire on the frame
> ken uhrick
>
>
> At 03:34 PM 1/20/2004, James Shanks wrote:
>> It sounds to me like you have a pinhole in your supply fuel line
>> somewhere. That is between the fuel pump and the fuel tank. Think
>> about it ...if the mechanic has to lightly pressurize the fuel tank to
>> get fuel going there is a leak between the fuel tank and the fuel
>> pump. Check carefully any rubber fuel lines from the tank to the pump
>> for cracks, pinholes. Also check the metal fuel lines as
>> well.....remember how old she is. If it was me I think I'd replace all
>> the fuel lines from where they exit the fuel tank to the pump. The
>> line from the pump to the carb is pressurized so a leak will quickly
>> become self evident. Think logically ???? The pump SUCKS fuel from the
>> fuel tank and PUSHES it to the carburetor. Hence the smallest pinhole
>> not visible to the naked (???) eye will allow fuel to drain back to
>> the tank. HINT start replacing the rubber fuel lines from the pump to
>> the tank whether they need it or not. There are teeny tiny balls in
>> the intake and output of the fuel pump that act as check valves so
>> presuming they are ok. If the fuel drains all the way back into the
>> fuel tank an in line electric pump won't work if there isn't any fuel
>> in it to move, it would have to be installed like a modern vehicle
>> with a in the tank fuel pump sending unit.
>>
>>
>> Jim
>>
>> n1vbn@arrl.net
>>
>>
>> At 03:11 PM 1/20/2004, kuhrick wrote:
>>> my m886
>>> i have had 3 fuil pumps on it and 3 carbetaters on it
>>> float boll was leaking
>>> last cab fixed it
>>> i was carrying either to start it if it didn't take off
>>> i still think about a elt fuel pump close to the tank
>>> rubber fuil line thru frame infrunt of right back tire
>>> i was thinking bout a push btten or a iol lite switch in the fuel
>>> line by the carb
>>> less than 2-3 lbs starts thje elec pump
>>> ken m886
>>>
>>>
>>>
>>>
>>> At 02:05 PM 1/19/2004, Mel Miller wrote:
>>>> Howdy List,
>>>>
>>>> I hope someone can help with my fuel system problem. I have a stock
>>>> military 318 engine in my 1977 M884 pickup. I recently replaced the
>>>> Carter carburetor with the military Holley carburetor. The fuel pump
>>>> is relatively new and flow rate and pressure exceed specifications.
>>>> Ignition and timing are set properly and firing properly. The plugs
>>>> are clean and a uniform gray. When I run it every day or every other
>>>> day everything is OK. If I let it sit for a week or so and then
>>>> crank it it will run for a few seconds and then die. no amount of
>>>> cranking will get it going.
>>>>
>>>> Careful inspection reveals a dry float bowl, dry inline fuel filter
>>>> dry fuel pump and dry line back to the tank. I have never seen a
>>>> situation where fuel siphons back into a tank from a float bowl.
>>>> This has happened twice now. A mechanic who specialises in Dodges
>>>> says that he had to pressurize the tank to get the fuel back to the
>>>> fuel pump.
>>>>
>>>> All ideas gratefully explored.
>>>>
>>>> TIA,
>>>>
>>>> Mel Miller
>>>> Corpus Christi, TX
>>>> 361-937-3317
>>>> M725
>>>> M884
>>>> 86 VW Doppelkabin Drop Side Diesel PU (OD)
>>
>>
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>
>
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