Category Magazine

Criss-Cross… CRASH!

By Chuck Lynch No, we aren’t talking about the Hot Wheels car track, but I got your attention, didn’t I? If you look up the definition for crisscross and crosshatch, you will find nearly identical explanations. Crosshatch: If two sets…

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…

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…