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Carburetor Question

  • Shawn DUFFEE
  • Topic Author
03 Feb 2022 14:58 #1 by Shawn DUFFEE
Replied by Shawn DUFFEE on topic Carburetor Question
Ah, right.
Thank you Matt!

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03 Feb 2022 11:03 #2 by Matt Gunsch
Replied by Matt Gunsch on topic Carburetor Question
the coupe is gravity fed, the pump only transfers fuel from the wing tanks to the header,

A&P, IA, PPSEL
too many years GA and Warbird Maint
Check out the Ercoupe Discussion group on facebook

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  • Shawn DUFFEE
  • Topic Author
02 Feb 2022 20:56 #3 by Shawn DUFFEE
Replied by Shawn DUFFEE on topic Carburetor Question
Thanks once again Matt.
This morning a friend shared, "Stromberg Numbers Game" by Robert Kachergius. From his writeup I see the 167 as being gravity and the 172 as "pressure". Is pressure referring to fuel pump pressure?
Another friend has a 167 ready for me, but I wasn't sure I could use it on an Ercoupe...Can I?
Thank you!

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02 Feb 2022 20:36 #4 by Matt Gunsch
Replied by Matt Gunsch on topic Carburetor Question
per the TCDS for the C-85, Marvel-Schebler MA3-SPA,P/N 10-2899, Marvel-Schebler MA3-SPA P/N 10-4240, Stromberg NA-S3A1, P/N 380167

A&P, IA, PPSEL
too many years GA and Warbird Maint
Check out the Ercoupe Discussion group on facebook

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  • Shawn DUFFEE
  • Topic Author
02 Feb 2022 09:56 #5 by Shawn DUFFEE
Carburetor Question was created by Shawn DUFFEE
Hello All!
my C85-12 (did not come with the plane and is still not mounted) has a Stromberg NAS3-B carb. It does have the mixture do-dad, safety wired off. 
My understanding is I need a NAS3-A1.
These seem hard to find.
Would a Marvel 3SPA 4240 work on an Ercoupe?

Thanks,
Shawn

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