Post Your Successful Diesel Mods At Dieseldatabase

Have you completed a successful mod on your diesel truck? and did you take pictures and discovered tips that might help others? Your post is welcome here. All you have to do is register on this site. Then contact us via the the contact form on the ABOUT page (see menu), letting us know you […]

Hunting For Horsepower by Alligator Performance

It was a busy Saturday. Trucks were lined up in the vacant lots behind Alligator Performance waiting to get dyno’d. This was Alligator Performance’s first event – and for a small, relatively new company, this was a big event. Alligator Diesel Performance opened their doors in Las Vegas in 2005. In 2009, they moved to […]

Adjusting Rear Drum Brakes

For trucks equipped with drum brakes there are a multiple of ways to adjust them. You should be able to get them to adjust automatically by using one of the procedures below. None of them work on my truck and I have to adjust mine manually. I even put all new hardware kits on and […]

12V Cummins Governor Lever Adjustment

Here is the ins and outs of the secret governor lever adjustment This is a cut away view of the governor of a P7100 pump. Notice how the lever hit the cam plate flush at the very bottom edge. To check your adjustment the throttle lever needs to be moved until the lever just touches […]

SCT Livewire

Since hands down the SCT is the tuner of choice I’ve noticed for hardcore diesel enthusiasts, there have been a lot of threads as of late on the LiveWire. Since it’s a fairly new product I figured I’d put something together to highlight some of its features and hopefully demystify it for everyone. My first […]

APPS Repair

This guide addresses the construction, possible disassembly, and possible repair of erratic or failed APPS units. These throttle control units, APPS (Accellerator Pedal Position Sensor), most frequently seem to fail or become erratic in operation due to deteriorating contact between internal rotating fingers and the resistance track they ride on inside the APPS unit, causing […]

Propane Kit Comparison

When Propane is added to the air intake usually the horn it ensures that all the Diesel is turned into Power. When propane is used properly, it will keep your engine cleaner with less carbon buildup and cleaner oil. Propane is a high-octane fuel and burns slower and longer therefore, propane will help diesel burn […]

Turbo Troubleshooting Chart

Click on Image for a Larger View [thanks to Garrett used with permission]

Cummins Motor Parts and Prices

Click the link below for the pdf version of Cummins Motor Parts and Prices Cummins Motor Parts and Prices

Cummins Valve Cover Replacement

Here’s the Stocker And here’s the Bombed Valve cover Available Here at the Database: check the marketplace :: Bob Wagner The only tools you’ll need is a 1/4 inch drive ratchet and a 10 MM socket Really clean up the stock valve cover you do not want anything to fall down in to the valves […]

12V Cummins Fuel System Diagram

Here is a diagram for the 12V Dodge Cummins Fuel System. [Click on image for larger version]

Dodge Cummins Cooling Capacity

5.9 L CTD 22.7 L or 24 Quarts Includes 1 quart for reservoir

Water Injection

Water Injection : Injecting water into the intake , Decreases the volume of each cylinder Sends the Pistons into Over Drive , add some alcohol to up the flash point of diesel and to be sure it all burns up and burns up fast and you have the complete package. Cooling Mist (www.coolingmist.com) Our Diesel […]

Diesel Thunder 2006

Lem stayed up late the night before and was working into the morning installing the Snow Performance water/methane injection system on his 2002 Cummins. As a result, we were late to the Dyno Drags for this year’s Diesel Thunder hosted by Northwest Bombers (local division of TDR). I and our friend Thom, who was working […]

Fuel Filter Usage

Here’s a photo showing the condition of my original fuel filter after 24,000 miles – never been changed to this point since new: The photo is a bit misleading the overall condition of the old filter is actually not bad at all – lots whiter down in between the pleats than can be seen here, […]

Tips & Tricks for Better Fuel Economy

1. Air up your tires.Keeping your tires aired up to manufacturers specs can help your fuel economy up. 2. Leave your tailgate up!The tailgate up creates a vortex behind the cab which pushes air up over the tailgate. The tailgate down allows the air to push down on the bed creating drag. 3. Be easy […]