Never Judge a Book by its Cover… Despite how versatile diesel trucks are, we rarely come across one that can do it all—and when we […]

Super SUV What do you do when the bar for streetable horsepower keeps moving higher and higher? You stay ahead of it by building a […]

Classic Blue Rig What do you get when you combine a ’73 F-250 with an early Super Duty? How about a one-of-a-kind Highboy with modern […]

As proof that Blue Oval loyalists are still willing to spend money on first-generation Power Strokes, look no further than Blake Younce’s immaculate ’97 F-350. […]

FIXING CRACKED UP-PIPES ON THE 6.4L POWER STROKE While the 6.4L Power Stroke offers what is arguably the best tuneronly performance in the diesel industry, […]

INSTALLING A NITROUS EXPRESS SYSTEM ON OUR ’00 F-250 Over the course of the last year, our ’00 F-250 has been subjected to a long […]

AIR LIFT’S LOAD LIFTER 7500 XL FOR ’17 SUPER DUTY FORDS As payload and towing capacities for newer trucks continue to rise, owners are looking […]

ADDING H&S MOTORSPORTS’ LOW-PRESSURE FUEL SYSTEM TO A MODIFIED 6.7L POWER STROKE In stock form, Ford’s 6.7L Power Stroke is a beast. But like any […]

  Truck of the Week 2.6 Smoothbore Puller Lee Stiltz’ 2005 Dmax Stiltz’ ’05 Chevy Silverado is off to a strong start in the Illinois […]

INSIDE DIESELSITE’S LEGENDARY 4R100 Unlike the 5R110 TorqShift found in the trucks that superseded theirs, ’99-03 Super Duty owners don’t have the luxury of the […]

CELEBRATING ALL THINGS 7.3L POWER STROKE (AGAIN) When the first-ever 7Tree Jamboree brought out the largest gathering of competition-ready 7.3L Power Strokes in existence last […]

POWER, RPM, AND LONGEVITY IN A 24-VALVE CUMMINS While the 24-valve 5.9L Cummins found in ’98.5-02 Dodge Rams can be a great workhorse engine, it […]

DIESELS DOMINATE THE DRAG STRIP, CHASSIS DYNO AND TUG O’ WAR It’s February, it’s 80 degrees, and it’s Florida. While most of the country is […]

UPGRADING THE TURBO, HPOP, AND CLUTCH Part Two of our old body style Ford build rolls along this month in the form of increased high-pressure […]

OUR ’03 JETTA GETS A NOZZLE UPGRADE AND A SOUTH BEND CLUTCH After picking up 33 horsepower in the last installment (December 2016), we’re back […]

“Truck” of The Week Power Service Team Rail 6.43 at 217 MPH Earns New NHRDA Record It was a big weekend at the National Hot […]

FORD DIESEL SHORTCOMINGS, FROM ’94.5 TO PRESENT It’s true that all engines have their unique sets of issues. Every power plant that’s ever been produced […]

  Engine of the Week Four Digit Cummins TSD’s Triple-Turbo UCC Engine Longtime drag racer, first time UCC competitor Chris Buhidar of Truck Source Diesel […]

UPGRADED FUEL SYSTEM, INJECTORS, AND TURBO ON A ’95 F-350 As a general rule of thumb, the earlier the electronically controlled diesel, the less horsepower […]

A DECADE OF FORWARD PROGRESS FOR THE 7.3L POWER STROKE Good engines never die, they just age well. Nearly 15 years since the last one […]