I must be doing pretty good in my 58 then. Pulling my vintage travel trailer, total weight about 18K and 60' long, I get ~7mpg (a little worse up the mountain passes). I do have a Ranger Torque splitter (overdrive) and a 327 in it.I cruise about 3,200RPM @65-70mph (no, not up the hills!)


Mike
1955 Chevy 6400 ex-flatbed (no bed now!) sold September 2023
In the Stovebolt Gallery
1958 Chevy 6400 flatbed W/dump
In the Stovebolt Gallery
1959 Chevy Suburban Owned for almost 20 years, Daily Driver -- sold May 2016
In the Stovebolt Gallery

Sufficient unto the day is the evil thereof