Went from a healthy running 235 to a healthy running 261 in my 53 1/2 ton. With the correct carb on the 261, it has a small noticeable power and torque increase at the seat of the pants.
Last edited by sstock; 11/15/2020 4:24 PM.
1953 Chevrolet 3100261 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 GalleryVideo of the 261 running1964 GMC 1000305 Big Block V6, sm420, the next cab off restoration
