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In this Discussion
- bob1951 July 2008
- rich cummings July 2008
- Spencedaddy July 2008
- Ted W June 2008
vapor lock solution?
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i have a 1979 Lincoln Mark V continental, and i have been having some serious issues
i have already replaced the mechanical fuel pump with an electric one
the first time i broke down it was traced to the ignition control module
which i replaced with a new one
then the second and third time, it did a thing where i ran for about 30 minutes, and then shut down, in extreme heat, which i have narrowed down to vapor lock
i have talked to a few people, and they have said that this was a common problem for Fords Lincolns, and Mercury's as the fuel line ran to the front of the engine, giving it more time to become heated by the engine's radiant temperature
so i have wrapped the fuel line in automotive heater tubing, and that has seemed to have helped
but i want a permanent solution so i came up with the idea of actually cooling the fuel lines, either in the engine bay, or as the line runs from the tank i searched this on google, and the thing i heard of was running the fuel lines through a can filled with dry ice, but since dry ice would melt extremely quickly i am forced to come up with a completely new idea, the things i have thought of are;
1.using a vessel filled with mineral oil, which dissipates heat quickly, as seen in some computer cooling projects
2.some sort of cooling fins on the line, besides clothespins
so thats where i am now, any help is greatly appreciated
forgot to mention that somehow when i was insulating the lines last night, i discovered that there is some kind of break in the fuel line that has been patched by putting on some rubber tubing, most likely rubber fuel line, and clamped on, could this be affecting the vacuum at high temperatures -
I have had several Mark V's and I have not seen this problem. However, I have had several Mustangs and I have used a BG inline heat sink to solve vapor lock problems. First, you must make sure the fuel line is not "hose", it needs to be metal. Then install the BG sink. BG FUEL COOLER
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i just found a potential problem
there is a break in the fuel line, and someone patched it up with some rubber hose and clamps...could that be contributing? -
no-- the repair will not cause vapor lock-- --vapor lock is when the gas boils in the line and turns to a vapor-- its only caused by heat-- -
choices-- rerout gasline --
are you sure its vapor lock-- ??- -
i talked to my mechanic, and he said that there could be a potential rust problem that is, when added with the heat issue, what is causing it to not run, i changed out the fuel filter, and it was FULL of rust, so the mechanic said that we may have to drop the tank, replace it, and the fuel lines, also, i will be changing back to the mechanical fuel pump
could rust really be causing it to lock up with the heat?