Engine

If you’ve been in the truck scene long enough, it’s of no surprise that the popularity of SUV’s has only grown stronger. Late-model SUVs are not only safer to drive than their predecessors, but many can pack a serious punch in stock trim right from the factory. That said, the affinity towards these people haulers

In the previous installment (March 2019) of our ’02 Duramax LB7 build we left off halfway through assembling the engine. After swinging the freshly built short-block into the engine bay we quickly set to work installing the Fleece Performance Cheetah turbocharger, Freedom Racing Engines rebuilt heads, ARP head studs, Merchant Automotive heavy-duty chromoly push rods,

Compression: An automotive term used by everybody, forever. Let’s get into some detail and maybe develop a better understanding. Pressure, and more pressure: It’s a must-have to produce power within an internal-combustion engine. Lighting up a mixture of air and fuel is a wonderful thing, but if the mix is not fired under considerable pressure

Enhancing performance of the 6.6L Duramax L5P diesel engine that powers ’17-to-current GMC and Chevrolet trucks is not an easy proposition. General Motors’ calibration engineers have made it very difficult to manipulate the engine control modules that govern these engines, implementing code that essentially locks users out of critical fuel, timing, torque-management, and other tables.

There is no doubt the current generation of Ford Super Duty trucks are serious performers, with the stout 6.7L Power Stroke diesel engine leading the charge for the Blue Oval’s faithful followers. However, despite the trucks’ plusses, they’re also hindered a bit by a somewhat fragile CP4.2 high-pressure injection pump that fails without warning. Due