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 […]

Cummins 12V Idle Adjustment Q&A

Subject: [RTML] Cummins idle speed How do I adjust the idle speed on my Ram diesel? The idle speed seems too high. First, trace the accelerator linkage to the connection on the fuel pump. With the ENGINE OFF have someone floor the accelerator and watch the fuel arm move. The best position I can describe […]

Relocating Your Block Heater Cord

As you know the block heater plug on our trucks are located in the front bumper and this is where they stay for most people. Some have put a plug recessed into the bumper to make it look nicer then having a cord dangling there. In my case being a Firefighter the way I park […]

Turbo Comparisons

When in the process of bombing a CTD you will have to increase your fuel. With the increase of fuel comes an increase in heat. You can safely run 1200° once in a while but major failure can occur if your running at high heat conditions for a period of time. To keep things cooled […]

Stewart Warner B756 Standard Tachometer Install Sheet

Click the link below for the pdf version of Stewart Warner B756 Standard Tachometer Install Sheet Stewart Warner B756 Standard Tachometer Install Sheet [thanks to Stewart Warner used with permission]

Dodge 24V Cummins Oil Vent Solutions

Just Now dove in to modify my Oil vent which as you know is on the front…. on steep downhills, we lose a quart or 2 out the hose. ….. The solution is to make a vent on the valve cover like the N-14 Cummins has on the big truck I drive. First I ground […]

Ford 7.3L Engine Removal – The REAL How To

After replacing my rear axle cover due to rust through, I noticed severe rust on the engine oil pan. I’ve had experiences with rusted oil pans in the past and knew this had to be taken care of soon, or I’d be doing it in the middle of an Ohio winter. Early October, 2001, I […]

Dodge Truck Front Disc Brake Replacement

Work Performed On: 2002 CTD Estimated time of Completion: 2 Hrs Parts Required: Brake Shoes, Brake Cleaner, Brake Fluid, Little Helper Tools Required: 1/2 Inch Drive Ratchet, Cheater Pipe, 2 Extensions, 15/16 6 pt Socket, 7/32 Allen Wrench, 16 MM 12 pt Socket, Big Strait Screw Driver, Floor Jack, Penetrating Oil, 3/8 inch wrench Product […]

BHAF – Big Honking Air Filter

BHAF = Big Honking Air Filter This is a very easy mod and the benefits are great … Cooler Egts … Better flow … More Whistle !!! First remove the air intake line running from your factory Air box to your Turbo Then remove your air box … just pull straight up This area it […]

12V Engine Diagram

Here is a Dodge 12V Cummins Engine Diagram Click on the image for a larger version.

Air Horns for 24V Dodge Cummins

I know of two companies who manufacture these BANKS Banks High Ram An intercooler increases the air density, which allows your engine to produce more power. So it stands to reason that you wouldn’t want to restrict the flow of air exiting the intercooler, right? Unfortunately, that’s exactly what the stock piece does. Look at […]

Cummins Diesel Fan Belt Replacement

1. Remove the belt by inserting the drive nose of a 3/8″ ratchet into the square hole in the idler pulley. Use the ratchet to unload the idler tension from the belt by rotating the ratchet counterclockwise as viewed from the front of the engine. The best position for the ratchet is almost straight up […]

24V Cummins Fueling System Diagram

1998 CTD No Description 1 Fuel Transfer (Lift) Pump 2 Fuel Return Line (to Fuel Tank) 3 Fuel Supply Line (Low Pressure, to Engine) 4 Fuel Heater 5 Water-in-Fuel (WIF) Sensor 6 Fuel Filter / Water Separator 7 IAT Sensor 8 Map (Boost) Sensor 9 Fuel Drain Manifold 10 CKP Sensor 11 CMP Sensor 12 […]

Windshield Wiper Motor Replacement

[A] Gently pry up on the little tap this will release a small piece of metal that just slides under the gear. After clip is released you will have to pry the WSW bottom off the gear this is the bad part — took longer to get the WSW off the gear then it did […]

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 […]

12V Cummins Thermostat Replacement

Symptom/Condition: The vehicle may not warm completely, especially in cold ambient temperatures. This condition may be due to a thermostat that is stuck in the partial open position by debris in the cooling system. NOTE: THE COOLING SYSTEM USED ON THE CUMMINS DIESEL ENGINE EQUIPPED VEHICLES PROVIDES THE CAPACITY AND PROTECTION OF THE HIGHER GVWR […]