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Diesel Tech / How-To

579 posts

DW AIR LEAD

More Power in Half an Hour: Installing and Testing an AIRAID Cold Air Intake on a Duramax

It’s no secret that an engine is a giant air pump, and anything you can do to eliminate restrictions on the intake and/or the exhaust, […]
DW WORK LEAD

Project 7.3L Work Truck Part 6: New “Heart” and Monitoring for the 7.3L Power Stroke

Last month, you may have noticed that our Project 7.3L work truck suffered a transmission setback that caused a detour in our build schedule. This […]
DW FUEL LEAD

Cleaner Diesel: Fuelab Lift Pump and DRP Fuel Sump

Today’s diesel engines are using some of the most sophisticated, extreme high-pressure fuel systems in the automotive industry. CP3, CP4 and injector technology is advancing […]
DW ALT A

Power Up: High-Output Alternator Upgrade

Trucks of the past were known to be spartan. They had only a few things that demanded electrical power, such as a radio, headlamps and […]
DW WORK LEAD

Project 7.3L Work Truck, Part 7: Installing Air Lift Air Springs to Improve the Towing Experience

As our 7.3L Power Stroke Work Truck project draws closer to completion we wanted to turn our attention back to towing enhancement. With new brakes […]
DW TURBO lead B

Cummins Compound Turbos: Street and Tow-Worthy 700+ HP Combo

If you own a 2003-2007 Dodge with the 5.9L Cummins, it’s likely that you’re already well aware of the massive number of aftermarket options available […]
DW SWAP Lead A

Injector Replacement: Correcting Duramax Turbo Fuel Delivery Issues

Diesel truck engines have occasional mechanical issues due to poor maintenance or faulty components. One major failure with diesel engines occurs in the fuel delivery […]
DW UNOH

UNOH Cummins, The Final Act: A Student-Built Cummins Nears 1,000 HP

We’ve been following the University of Northwestern Ohio Diesel Club’s Cummins-powered pulling truck since 2011, and we’ve been pleased to see the students transform a […]
DW WORK LEAD

Project 7.3L Work Truck, Part 8: Upgrading The Turbo Without Breaking the Bank to Wrap Up the Project

To wrap up Vincent Uriah’s 2003 Ford 7.3L Power Stroke work truck project, we decided to upgrade the turbocharger. Rather than install a high-dollar competition-minded […]
DW GRIL

Nose Job Part 2: Giving a Super Duty the Royalty Treatment

Last month we started freshening up the nose of a 2006 Super Duty with the installation of a TrailReady prerunner front bumper. Now it’s time […]
DW FICM A

Ford FICM Fix: 6.0L Diesel Fuel Injection Control Upgrade

Ford introduced the 6.0-liter Power Stroke V-8 in 2003, as a new and purportedly better replacement for the 7.3. Both engines used electronic fuel injection, […]
DW COGNITO B

GM IFS Steering Fix: Cognito Motorsports Upgrades

Back in 1988, with the introduction of the GMT400 pickup platform, General Motors made a radical change: they introduced an independent front suspension (IFS) for […]
DW CLUTCH

Valair Quiet Dual Disc: Installing the Clutch Performer

With 150,000 miles on the odometer and a telltale squeak at idle, it was clear that my 2004 Dodge 3500 Laramie 4×4’s clutch and its […]