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willysmjeeps.com :: View topic - M38 Carburetor
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M38 Carburetor

 
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Lyle
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Joined: Nov 01, 2017
Posts: 82
Location: Richmond, BC Canada

PostPosted: Tue Apr 14, 2020 11:24 am    Post subject: M38 Carburetor Reply with quote

Looking for carter ys 637s or 950.

Any suggestions on who may have one will be really appreciated.

Cheers Lyle
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Lyle
LT-RCEME, Retired
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Jeep Rubicon, 2015
M38 CDN, 1952
M416, 1968
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4x4M38
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Joined: May 30, 2014
Posts: 3032
Location: Texas Hill Country

PostPosted: Tue Apr 14, 2020 11:38 am    Post subject: Reply with quote

Lyle,
The 950 goes on the M38A1 F head engine. The flange is angled instead in line with the block like the M38 L head.
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Brian
1950 M38
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Lyle
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Joined: Nov 01, 2017
Posts: 82
Location: Richmond, BC Canada

PostPosted: Tue Apr 14, 2020 2:48 pm    Post subject: Reply with quote

Brian thanks, when you start looking at carbs for the M38 your eyes crisscross.

Was there only one “approved” carb the YS637s? Or were there others? Of do what make/model?

Cheers Lyle
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Lyle
LT-RCEME, Retired
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Jeep Rubicon, 2015
M38 CDN, 1952
M416, 1968
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wesk
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Joined: Apr 04, 2005
Posts: 14959
Location: Wisconsin

PostPosted: Tue Apr 14, 2020 5:19 pm    Post subject: Reply with quote

Lyle,

The YS637S is the M38 specific approved carb. It is very different from the YS950S which is the M38A1/M170 specific approved carb. The YS950S has a larger main venturi and a mount flange oriented 90 degrees different and bolt spacing wider then the YS637S.

















Are there other carbs that fit the M38's L134 engine. Yes there are. The earlier WWII and CJ2A WO series carb can be adapted as can the YF series carbs. Other's have adapted Webber, Solex & Ford Motorcraft carbs.
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Last edited by wesk on Thu Jul 09, 2020 11:41 pm; edited 1 time in total
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djalohr
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Joined: Jul 06, 2011
Posts: 98
Location: MD/NJ

PostPosted: Thu Jul 09, 2020 10:46 pm    Post subject: Reply with quote

Lyle,

I believe i have one if you're still looking. I am deployed, but i should be back in the states late next month if you can wait that long.

-Derrick
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