Which AMSOIL Bypass Filter System For Semi-Tractor Engine?
A reader asks: I am looking for a bit of advice on an oil bypass filter system. What is the difference between the AMSOIL BMK22-EA Dual Gard Bypass System and BMK30 Heavy-Duty Bypass System? This is for a highway tractor pulling super B’s. This unit would probably be logging about 95,000 miles (150,000 km) per…



