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willysmjeeps.com :: View topic - M38A1 Gas Cap Info
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M38A1 Gas Cap Info

 
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w30bob
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Joined: Mar 22, 2017
Posts: 301
Location: Great Mills, MD

PostPosted: Mon Jun 12, 2017 12:13 pm    Post subject: M38A1 Gas Cap Info Reply with quote

Hi Guys,

Need a little help figuring out what the two gas caps for the A1 look like. Wes, I went thru both your M38 and A1 albums and saw your bottom-side comparison, couldn't find a pic of the top side of the caps.

From the ORD the original cap (8329616) was superseded by 8333722, but I can't find a picture of either cap online. I assume the later cap is the one with the little valve that you turn to pressurize, but can't confirm. There's a pic of a cap in the front of TM-8014, pg 16, that shows a cap that says "Pressurized Open Slowly" that has no valve. I assume that's the earlier cap.....so are those the two caps in question?

Why did they switch caps? I'm guessing it had to do with fording, but either way the tank is vented, so why vent the cap?

thanks,
bob

thanks,
bob
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4x4M38
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Joined: May 30, 2014
Posts: 3459
Location: Texas Hill Country

PostPosted: Mon Jun 12, 2017 2:04 pm    Post subject: Reply with quote

Hi Bob,
There are a couple of good posts on tank venting.
This one discusses the difference between the civvy tank caps and the M38:

http://www.willysmjeeps.com/v2/modules.php?name=Forums&file=viewtopic&t=8529&highlight=tank+vent
_________________
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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4x4M38
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Joined: May 30, 2014
Posts: 3459
Location: Texas Hill Country

PostPosted: Mon Jun 12, 2017 2:07 pm    Post subject: Reply with quote

And here's one that contains fording versus
non fording venting info on the A1:

http://www.willysmjeeps.com/v2/modules.php?name=Forums&file=viewtopic&t=7132&highlight=tank+vent
_________________
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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