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Carburetor ID on 1959- 261
#1410418 05/19/2021 3:15 AM
Joined: Oct 2018
Posts: 59
Boise ID
B
Bwana-Jim
Offline
Chief Bottle Washer
Bwana-Jim
Chief Bottle Washer
B Offline
Joined: Oct 2018
Posts: 59
Boise ID
Hello gang,

Can you please identify this carb on my 261?
I’d like to order a kit for it, but it appears different from the Roch-B of my old 216.
I’ve looked at the VIRTUAL MUSEUM OF CARBURETORS, but with no metal tag go off of, I’m in need of a starting point. Plus, the added mess of unknown shizzle below
the base, at the manifold has me scratching my head...

Many thanks!
Jim
Attachments

Re: Carburetor ID on 1959- 261
Bwana-Jim #1410425 05/19/2021 3:51 AM
Joined: Jul 2000
Posts: 2,201
Mill Bay, BC, Canada
Gord&Fran Offline
Insomniac
Gord&Fran
Insomniac
Offline
Joined: Jul 2000
Posts: 2,201
Mill Bay, BC, Canada
Rochester B with a governor.

See section 0 sheet 7 of the factory assembly manual.

I was curious as to how the governor works. The shop manual has a description:

http://chevy.oldcarmanualproject.com/shop/1954truck/54ctsm0675.html

Last edited by Gord&Fran; 05/19/2021 4:22 AM.
Gord 🇨🇦
----
1954 1/2 ton 235 4 speed
Re: Carburetor ID on 1959- 261
Bwana-Jim #1410632 05/20/2021 3:40 PM
Joined: Oct 2018
Posts: 59
Boise ID
B
Bwana-Jim
Offline
Chief Bottle Washer
Bwana-Jim
Chief Bottle Washer
B Offline
Joined: Oct 2018
Posts: 59
Boise ID
Many thanks!
Re: Carburetor ID on 1959- 261
Bwana-Jim #1410642 05/20/2021 4:30 PM
Joined: Mar 2010
Posts: 1,660
nc
B
buoymaker Offline
Curmudgeon
buoymaker
Curmudgeon
B Offline
Joined: Mar 2010
Posts: 1,660
nc
Air cleaner for a 6000 series with PCV option. Nice.
Pictures to help determine if you have the 59 261 carburetor.
Attachments
261 ID 01.jpg (47.44 KB, 31 downloads)
261 ID 02.jpg (101.81 KB, 31 downloads)

"Adding CFM to a truck will only help at engine speeds you don't want to use."
"I found there was nothing to gain beyond 400 CFM."

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