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bighead Member
Joined: Sep 22, 2021 Posts: 59 Location: Czech Republic, Europe
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Posted: Sat Oct 02, 2021 10:15 am Post subject: Fuel tank-type? |
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Please determine the type of my tank is it from CJ2A?Thanks.
_________________ <div>Václav S.
</div><div>1951 M38
1967
</div><div>DKW-Munga F91/4</div>
Last edited by bighead on Tue Oct 05, 2021 3:33 am; edited 1 time in total |
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RonD2 Member
Joined: Oct 02, 2014 Posts: 1903 Location: South Carolina, Dorchester County
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Posted: Sat Oct 02, 2021 11:04 am Post subject: |
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Please give us a photo of the filler cap and neck where it comes out of the body. _________________ Ron D.
1951 M38 Unknown Serial Number
1951 M100 Dunbar Kapple 01169903 dod 5-51
“The only good sports car that America ever made was the Jeep."
--- Enzo Ferrari
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bighead Member
Joined: Sep 22, 2021 Posts: 59 Location: Czech Republic, Europe
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Posted: Sat Oct 02, 2021 1:31 pm Post subject: |
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Yes, I'll take a picture, thank you for now _________________ <div>Václav S.
</div><div>1951 M38
1967
</div><div>DKW-Munga F91/4</div>
Last edited by bighead on Tue Oct 05, 2021 3:33 am; edited 1 time in total |
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4x4M38 Member
Joined: May 30, 2014 Posts: 3444 Location: Texas Hill Country
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bighead Member
Joined: Sep 22, 2021 Posts: 59 Location: Czech Republic, Europe
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Posted: Sun Oct 03, 2021 10:28 am Post subject: |
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For RonD2-More photos of the tank are in my gallery under numbers 30-32
For 4x4 M38-Yes, there is only a hole for a fuel gauge at the top, so it is probably a tank for civilian type-CJ2A? _________________ <div>Václav S.
</div><div>1951 M38
1967
</div><div>DKW-Munga F91/4</div>
Last edited by bighead on Tue Oct 05, 2021 3:46 am; edited 2 times in total |
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4x4M38 Member
Joined: May 30, 2014 Posts: 3444 Location: Texas Hill Country
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RonD2 Member
Joined: Oct 02, 2014 Posts: 1903 Location: South Carolina, Dorchester County
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Posted: Fri Oct 08, 2021 1:56 pm Post subject: |
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Photo shows a large military size fuel filler neck, same as M38. Not the same filler neck on any CJ that I'm aware of. Hard to say what tank you have there. Part M38 maybe, part something else definitely. _________________ Ron D.
1951 M38 Unknown Serial Number
1951 M100 Dunbar Kapple 01169903 dod 5-51
“The only good sports car that America ever made was the Jeep."
--- Enzo Ferrari
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4x4M38 Member
Joined: May 30, 2014 Posts: 3444 Location: Texas Hill Country
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Posted: Fri Oct 08, 2021 5:10 pm Post subject: |
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Something else. It looks like the neck sticks out too far for an M38 tank.
Maybe my eyes, but difficult to see what’s going on from the outside of the neck to where it attaches to the tank.
Any tank that isn’t rusty and doesn’t leak is better than one that is rusted and leaks, imho.
But it sure feels like someone modified or replaced the neck with a military style.
Did not find that cap in Dr. Ryan’s book either. _________________ Brian
1950 M38
MC11481
http://www.willysmjeeps.com/v2/modules.php?set_albumName=album372&op=modload&name=gallery&file=index&include=view_album.php |
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RonD2 Member
Joined: Oct 02, 2014 Posts: 1903 Location: South Carolina, Dorchester County
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Posted: Fri Oct 08, 2021 5:35 pm Post subject: |
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I agree Brian. And he also said the tank only has the fuel filter-pickup hole fitting on top (missing the vent hole fitting), which means he should probably be using a vented gas cap or risk vapor lock. His cap is marked non-vented. Sounds like the jeep is running, so maybe there's another vent way we don't see. _________________ Ron D.
1951 M38 Unknown Serial Number
1951 M100 Dunbar Kapple 01169903 dod 5-51
“The only good sports car that America ever made was the Jeep."
--- Enzo Ferrari
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bighead Member
Joined: Sep 22, 2021 Posts: 59 Location: Czech Republic, Europe
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Posted: Sat Oct 09, 2021 3:09 am Post subject: |
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Yes, the tank is beautifully clean inside, that's the main thing.
Yes, the Jeep is mobile.
Do you think that the tank with the neck is subsequently welded?
_________________ <div>Václav S.
</div><div>1951 M38
1967
</div><div>DKW-Munga F91/4</div> |
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bighead Member
Joined: Sep 22, 2021 Posts: 59 Location: Czech Republic, Europe
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Posted: Wed Oct 20, 2021 9:46 am Post subject: |
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How come my Jeep is running when I have a cap on the tank that seals and is NON VENTED and there is no other vent on my tank, is there just a fuel gauge?! _________________ <div>Václav S.
</div><div>1951 M38
1967
</div><div>DKW-Munga F91/4</div> |
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wesk Site Administrator
Joined: Apr 04, 2005 Posts: 16238 Location: Wisconsin
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Posted: Wed Oct 20, 2021 11:27 am Post subject: |
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Your tank is sucking air in someplace or the engine would not run long. I suggest a faulty non-vented cap or a loose fastener on something on the top of the tank. You did not offer the best view of your tank so we are limited in how well we can help you with your questions. Had you at least removed the driver's seat so we could get a good view of the entire top of the tank.
This is the type view of the tank we need to offer any real help. _________________ Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100
Mjeeps photo album: http://www.willysmjeeps.com/v2/modules.php?set_albumName=Wes-Knettle&op=modload&name=gallery&file=index&include=view_album.php |
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bighead Member
Joined: Sep 22, 2021 Posts: 59 Location: Czech Republic, Europe
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Posted: Thu Oct 21, 2021 5:25 am Post subject: |
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If it was ventilating, it would be felt, but it is not. At the top there is only a fuel gauge and the outlet is only from the bottom directly to the pump.
When it's time to take off my seat and take a picture of the tank _________________ <div>Václav S.
</div><div>1951 M38
1967
</div><div>DKW-Munga F91/4</div> |
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wesk Site Administrator
Joined: Apr 04, 2005 Posts: 16238 Location: Wisconsin
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Posted: Thu Oct 21, 2021 9:54 am Post subject: |
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The venting of the tank during operation of the engine cannot be felt or heard. It is an extremely subtle activity. The only clues you will receive if the tank is unable to vent is the engine will only run for a few minutes then quit due to fuel starvation. To establish if this is in fact the problem causing your engine to quit you simply remove the gas cap and start the engine again and if it does not quit while operating without the cap in a few minutes your tank is not venting. On the other hand the only clues that you will receive if your tank is venting is that the engine will not quit a few minutes after starting it or in the case of vent leaks not installed by the factory you may notice fuel leaking from these air leaks. _________________ Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100
Mjeeps photo album: http://www.willysmjeeps.com/v2/modules.php?set_albumName=Wes-Knettle&op=modload&name=gallery&file=index&include=view_album.php |
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bighead Member
Joined: Sep 22, 2021 Posts: 59 Location: Czech Republic, Europe
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Posted: Thu Oct 21, 2021 10:45 am Post subject: |
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My Jeep is running all the time.
My Ford Mutt had a lot of fuel to smell from the tank cap, my Jeep also has a wide throat and there's no fuel odor, so the cap seals.
There is also no fuel leakage elsewhere. _________________ <div>Václav S.
</div><div>1951 M38
1967
</div><div>DKW-Munga F91/4</div> |
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