I ran a 966s on my 56 235 for a few years. I finally found a 2100s and switched over. I didn't notice much of a mpg difference since these trucks don't get very good mileage anyway especially with today's gasoline.


1956 Chevy 3200, 1/2 Ton, 235 CI
https://photos.app.goo.gl/TQQo1YnFjs3U7xB57