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#1
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Hi Svenn,
Oh well, if 5/16" is the size of tubing used on Chevy CMP truck fuel lines that's just one of hundred of differences between the Ford and Chevy CMP trucks. You would think there would have been a bit more standardization between the two manufacturers for simplicity during the war. Ford and Willys did it with the Jeep for the most part. Another thing I note on the Ford fuel lines they all have a 3" approximate diameter loop in them between the tanks and changeover valve, the changeover valve to the filter, and the fuel filter to the carburetor. These are to allow for the movement between the chassis and the cab floor and movement between the engine and the chassis in the case of the carby line. Like many things, these do not appear in the Maintenance or Parts manuals but existed on the actual vehicles Again, bit reluctant to say Chevy's had them but an inspection of another Chev truck original fuel lines may confirm if they did the same thing with theirs. Over to the Chev CMP truck owners for comment. Cheers,
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F15-A 1942 Battery Staff Jacques Reed |
#2
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![]() ![]() ![]() ![]() ![]() ![]() The lines from the tanks to the switch are 1/4!!! But from pump to carb the remains of what seems to be an original tubing is 5/16. Does anyone have pics of the tubing from filter to pump and pump to carb? Sven |
#3
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Hi Svenn
First I don't know why yours would change from one size to another going through the pump none of mine change size the are all 5/16 though I will confirm the size. Now for more pictures of the routing of the lines take a look at http://canadianmilitarypattern.com/H...INE%20WORK.htm which as a lot of shots of the engine work and close ups of the fuel, vacuum advance, and PCV tubes and the routing. Remember any photo in a blue frame has a high resolution version of the photo linked just click on the image. You will note that the many photos of the HUP are of the uncleaned engine, I took these as the majority of the tubing and routing was original so I took these photos to document how things ran. Let me know if these don't solve your questions, I've got more photos.
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Phil Waterman `41 C60L Pattern 12 `42 C60S Radio Pattern 13 `45 HUP http://canadianmilitarypattern.com/ New e-mail Philip@canadianmilitarypattern.com |
#4
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Hi Phil.
Did you check the OD on your lines? And any pics of line from filter to pump? Svenn |
#5
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Hi Svenn
I checked today the fuel line size on my HUP 5/16 steel tubing tanks to carb. Cheers Phil
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Phil Waterman `41 C60L Pattern 12 `42 C60S Radio Pattern 13 `45 HUP http://canadianmilitarypattern.com/ New e-mail Philip@canadianmilitarypattern.com |
#6
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I'm just working on the fuel lines for my CMP. I am wondering if anyone has a source for the two grommets that are mounted in the frame where the lines cross through?
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Jordan Baker RHLI Museum, Otter LRC C15A-Wire3, 1944 Willys MB, 1942 10cwt Canadian trailer |
#7
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.... he had some nice felt gromlets at one time.....
Or take 1/4 in rubber hose.... slice lenght wise cut to proper lenght to fit the circumference of the hole.....squish it in place....... I also covered my fuel lines with a sliced section of 5/16 rubber hose...fastened with SS small hose clamps in any high rish area....... Cheers
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Bob Carriere....B.T.B C15a Cab 11 Hammond, Ontario Canada |
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