Well thru most of the '90's, when Bessie, my '90 CCLB Dually, was new & thru most of the '90's I could get 18-19-20 round town daily driving. 235-85x16, ATS 088 turbo, etc etc
She get 100-120 K on her & I get down 14-15-16 so I get pump & injectors rebuilt at place back down there Dallas, Tx...