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Joined: Feb 2004
Posts: 424 Likes: 6
Backyard Mechanic
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Backyard Mechanic
Joined: Feb 2004
Posts: 424 Likes: 6 |
Jon,
I've been a-thinking.
Are you putting me leg about that big "C" thing?
: Not pulling your leg, look at the picture, and read the other thread. Jon
Good carburetion is fuelish hot air
Owner, The Carburetor Shop (in Missouri)
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Joined: Jun 2007
Posts: 1,743 Likes: 11
ChatMaster - 1,500
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ChatMaster - 1,500
Joined: Jun 2007
Posts: 1,743 Likes: 11 |
Russell #38868 '48 4 door Fleetline
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Joined: Sep 2009
Posts: 6,689 Likes: 21
ChatMaster - 6,000
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OP
ChatMaster - 6,000
Joined: Sep 2009
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Okay, Jon. I found two with the big "C" on them. Trouble now is they don't seem to have "421" on the base. This is getting couriser and courser (Whatever Alice said). Is too. Thanks to you and Russell,, Charlie  BTW: I've called off the contract. John, my go-between on these type contracts, said they had already left the "Show Me" state. He said he would try to stop them enroute. I hope he's successful. I do too!  BTW2: Think I'll skip the "421" stiff amd just go with the 839500 tag and the big "C." Think that will work?
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Joined: Feb 2004
Posts: 424 Likes: 6
Backyard Mechanic
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Backyard Mechanic
Joined: Feb 2004
Posts: 424 Likes: 6 |
Charlie - The following quote is from an earlier post in this thread:
"The problem with locating the flange mounting numbers were the commercial carburetor rebuilders. To verify that the throttle body was flat (I have yet to see a warped W-1) the mounting flange was violated with a surfacing machine, often removing the flange stamp."
Another possibility, and I cannot confirm or deny this: It may be possible that Chevrolet did NOT stamp the bottom of the flanges on the Bay City built carbs. I never really looked into that possibility. Because of the rebuilders, the stamp is present way less than half the time. I don't need it, so I never gave it a lot of attention.
Since the 421 is/was for ease of identification only, and cannot be seen when the carburetor is on the engine, I wouldn't worry about it not being present.
Jon.
Good carburetion is fuelish hot air
Owner, The Carburetor Shop (in Missouri)
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Joined: Sep 2009
Posts: 6,689 Likes: 21
ChatMaster - 6,000
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OP
ChatMaster - 6,000
Joined: Sep 2009
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Jon, Thanks ffor that information. Makes sound sense to me. So I'm going with the big "C" and the 839500 tag. That should be satisfactory. Thanks for your knowledgable help. Best, Charlie  BTW: John got hold of the Jersey contractors and they have turned back. They were almost there. Were too! 
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Joined: Dec 2017
Posts: 69
Shade Tree Mechanic
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Shade Tree Mechanic
Joined: Dec 2017
Posts: 69 |
I have a Question, I have a W-1 Carb supposed to be a 49 Chevrolet accelerator pump barrel is only about 1/2 up in Fuel reservoir, Is this standard on the 49 as pump spring goes on top of pump rather than under it ? Sorry to but in ,Thanks
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Joined: Feb 2004
Posts: 424 Likes: 6
Backyard Mechanic
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Backyard Mechanic
Joined: Feb 2004
Posts: 424 Likes: 6 |
Yes.
The 1949 carb (Carter 684s) has many unique features. The accelerator pump with the spring on top, and the pump well that is maybe 1/2~5/8 tall is one of them.
Jon.
Good carburetion is fuelish hot air
Owner, The Carburetor Shop (in Missouri)
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Joined: Dec 2017
Posts: 69
Shade Tree Mechanic
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Shade Tree Mechanic
Joined: Dec 2017
Posts: 69 |
Thanks wasn't sure guess I will use it.
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Joined: Feb 2011
Posts: 138
Shade Tree Mechanic
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Shade Tree Mechanic
Joined: Feb 2011
Posts: 138 |
Hi, Just looked at my two w1 carbs and the #421 did not show until I lightly sanded the flange
George M.
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Joined: Sep 2009
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ChatMaster - 6,000
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ChatMaster - 6,000
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I'm not considering the 421 number as important anymore. Who can know for sure one didn't have the 421 and it was too faintly etched or has been scrubbed away.  Best, Charlie 
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