Rebuilding the ISX & X15
Oddities that can ruin your day By Steve Scott Do you really want to own or rebuild Cummins ISX/QSX or X15 engines? If you’ve walked through a bone yard or scrap yard, you’ve likely seen these engines with holes through…
Category Magazine
Performance Exhaust Systems
For Supercharging and Turbocharging By Mike Mavrigian This article will touch on forced induction and directly-related exhaust applications. Forced induction, through the use of either a turbocharger or a supercharger, forces additional air to the intake charge. This forced air…
To Port or Not To Port
By Lake Speed Jr. and Keith Jones Gas ported pistons are not new. The practice of drilling holes (ports) into pistons to allow the gas pressure above the piston to get behind the top piston ring, which helps seal the…
Oil Pump Upgrade
Ford Ranger and Mazda BT-50 Duratorq TDCi Puma 2.2L GBVA P4AT and 3.2L SAFA P5AT By Brett Harth and Philip Sturgess The Duratorq TDCi 4-cylinder 2.2L and 5-cylinder 3.2L engines are from the Ford Puma ZSD family of engines first…