Featured Articles

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 …

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 …

Toyota Hydrogen Fuel Cell Conversion Kit

Toyota’s heavy-duty hydrogen fuel cell powertrain can replace diesel in USA and Europe By David Kiley Toyota’s heavy-duty hydrogen fuel cell powertrain kit has received approval from the California Air Resources Board (CARB), opening the door for owners of Class …

A New Administration and Support for the ICE

By Brian Roberts The new federal administration’s policies have had a significant impact on both the electric vehicle (EV) and internal combustion engine (ICE) industries in the United States. With this new administration just getting started, there have been many …

Machining Diesel Engine Components

By Andy Kennedy When it comes to machining diesel blocks and heads, some can be quite difficult and hard to handle. For instance, a Cummins 1710 bare block weighs around 1500 lbs. This can cause potentially dangerous situations when handling …

Natural Gas Engine Basics

By Francisco Aristizabal Natural gas (NG) engines are increasingly used in non-industrial applications, particularly in automotive sectors such as trucks and buses. These engines meet Euro V/VI emission standards and offer advantages like low noise and vibration. They feature upgraded …

Hybrids Are Your Next Engine Job

By Charles Navarro 2025 saw changing headwinds when it comes to electrification of motor vehicles, with a downturn in EV sales and market share, with some forecasts showing declines up to 40% in certain markets forecasted by S&P Global and …

O-Ringing

Add O-rings to increase combustion seal in high-pressure applications By Mike Mavrigian CYLINDER HEAD/BLOCK O-RINGIn order to obtain a superior seal around the head’s combustion chambers/around the block’s cylinder bores, a stainless steel or copper wire O-ring can be installed …

Genuine vs. Aftermarket Spare Parts

Is there a real difference? By Francisco Aristizabal Since the beginning of the automotive industry, the replacement parts market has been commonly divided into two categories: parts supplied directly by the engine manufacturer (known as genuine or original parts), and …

Was Caterpillar Too Weak To Survive?

By Steve Scott U.S. Class 8 Truck MarketFor decades, Caterpillar diesel engines could be found in nearly every Class 8 truck brand — but Cat was never the only option. Roll back the calendar several years and you will see …

Oil Bypass Valves in Big Block Chevrolet Marine Applications

By Andy Kennedy When it comes to the oiling systems of the Big Block Chevrolet marine engine applications, there seems to be a lot of confusion. This article will hopefully clear up some confusion that some members have encountered on …