I adapted an Edelbrock 500 AFB 4BBL to my '53 Mack B20 with a 291 flathead six. The original Zenith 2BBL was really too far gone to fool with and I had the AFB on the shelf so I decided to try it. I figured it would be a pig, but was really surprised at how well it runs.
1950 GMC 350 COE powered by a GMC 702 Twin-Six V12 / 4L80E combo.
