I'm running the correct carb for my 261, engine was a 62 casting, it came with its original carb and it is a Rochester B with a 64 metering jet. Engine was out of 1-1/2 ton truck. Now I do remember my 235 with a rochester B had a smaller venturi with a smaller jet believe a 58

Last edited by sstock; 06/30/2020 1:51 PM.

1953 Chevrolet 3100
261 cu inch, sm420, 3.55 rear, torque tube still,omaha orange, still 6 volt, RPO green glass, side carrier spare, all done
In the DITY Gallery
Video of the 261 running

1964 GMC 1000
305 Big Block V6, sm420, the next cab off restoration