welcome to the site! 3.42 is a nice ratio for truck. That is what I had in my 59 Suburban, with the SM420 (then later, an SM465). You will be able to cruise down the freeway at whatever speed you wish with no issues!


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