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| | | | Joined: Jun 2015 Posts: 59 Wrench Fetcher | | Wrench Fetcher Joined: Jun 2015 Posts: 59 | I am trying to find a carb model # for my Rochester b carb for a 1962 261 ,I am trying to get a carb rebuild kit,tclederman gave me a model # 7015143 but no one seems to be able to find that number .
1962 GMC 920 step side 261 4 spd
| | | | | Joined: Nov 2002 Posts: 2,763 Carburetion specialist | | Carburetion specialist Joined: Nov 2002 Posts: 2,763 | The ORIGINAL carb would have been Rochester 7015013.
The tag is PROBABLY missing because at some time in the carburetor's history, it was rebuilt by a commercial rebuilder.
The commercial rebuilders group MANY DIFFERENT CARBURETORS TOGETHER under one number (whether they should be or not); and DESTROY the tag so an informed customer does not realize they are getting the WRONG carburetor.
Using the number for the original carb to obtain a kit for a non-numbered carb is risky.
Jon.
Good carburetion is fuelish hot airThe most expensive carburetor is the wrong one you attempt to modify. If you truly believe "one size fits all," try walking a mile in your spouse's shoes!The Carburetor Shop | | | | | Joined: Jan 2014 Posts: 3,677 'Bolter | | 'Bolter Joined: Jan 2014 Posts: 3,677 | Aren't there some dimensions of the 261 carb that are unique?
That would at least help give an idea whether it MIGHT be the original carb.
Edit: Go look up your original Carb ID thread Tclederman mentions the throttle body inner diameter being different from the 235 carb.
Last edited by JW51; 12/22/2015 4:07 PM.
1951 3100
| | | | | Joined: Jun 2015 Posts: 59 Wrench Fetcher | | Wrench Fetcher Joined: Jun 2015 Posts: 59 | The carb is original to the engine it has the larger throttle diameter,I am looking for the model so I can get the right kit.i pulled the top off the carb and it has the later style accelerator pump.
1962 GMC 920 step side 261 4 spd
| | | | | Joined: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 | | | | | | Joined: Nov 2008 Posts: 293 Shop Shark | | Shop Shark Joined: Nov 2008 Posts: 293 | I have sent you a pm. Make sure your logged in and go to the "my stuff" on the upper tool bar. | | |
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