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 […]

Superchips Installation Guide 3705

Click the link below for the pdf version of the Superchips Installation Guide for the 3705 Superchips Installation Guide for the 3705

Bosch P7100 Fuel Pump Diagrams

Click on Image for a Larger View. Click on Image for a Larger View.

The Infamous Cummins 53 Block

Special Thanks to Stamey’s Website for this FAQ about the 53 Block What is the “53” block? The “53” comes from a casting number on the side of the block and is used to identify the problem blocks. Supposedly it affects about 100,000 blocks, but not only in Dodge Rams. Here is information regarding the […]

Old 12v Cummins Boost Guage Installation

1. A hole must be drilled and tapped into the intake crossover pipe for a boost source. 2. Remove the hose from the intake crossover pipe and push a rag well into the pipe past the point to be drilled and tapped. This will prevent chips from entering the engine. 3. Drill through the back […]

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 […]

Clamp On Isspro Thermocoupler

Locate the pipe running from the exhaust manifold on the drivers side over to the turbo. About 2″ above where this pipe attaches to the exhaust manifold a hole can be drilled to accommodate the thermocouple. Start with a small drill bit and work up to 1/4″ one bit size at a time making sure […]

7.3L Powerstroke Custom Fuel System

Bigger injectors require more fuel. Lots more fuel than what the oem system can put out. And the oem stuff has many faults, which just makes it that much more appealing to replace the whole darn system! I was planning on doing some work to the truck and I knew it would be laid up […]

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 […]

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 […]

Diesel Troubleshooting Chart

Complaint ————-> Probable Cause WillNotStart HardToStart StartsAndStalls DiesOnDeceleration RunsRough LackOfPower BlackSmoke WhiteSmoke Low Cranking Speed X X             Incorrect StartingProcedure X X             Some or All Glow Plugs Bad X X     X     X No Fuel to Cylinders X       […]

Another 24V Lift Pump Replacement Procedure

This is how I replaced the lift pump on my ’99 QC, 4×4. Not sure what variations may or may not accure on other models. Parts list…………..New lift pump, lift pump wire pig tail, banjo bolts washers (8), dielectric grease and approx 1/2 gallon of clean diesel. Tools ………. 3/8″ drive ratchet, 3 or 4 […]

Dodge Cummins Under Hood Mods

Click picture for a full size view. Click on the product titles below for a link to a dealer OuterWears FAQs (Questions About Prefilters) Why do I need a Pre-Filter? How does a Pre-Filter work? Will adding a Pre-filter reduce my airflow or horsepower? Will the Pre-Filters work on paper filters? How much dirt will […]

Dodge Cummins Fan Removal

The thread is left hand; from the front of the engine you turn the wrench to the right (toward the driver side). Do this when the engine is cool. Some people pull the entire fan/hub assembly out past the radiator shroud, others remove the fan first, then remove the hub. In many cases, a drift […]

A Good Chain Can Make All The Difference

I cannot describe the feeling but I know you’ve felt it before. The feeling you get when you know something is enormously wrong but just before the full impact hits you. It was only five fifteen but it was dark outside. I stepped outside my truck and was looking back at the trailer. From where […]

Glossary of Diesel Terms

2WD – Only one pair of wheels are driven by engine power 4WD – One or both pairs of wheels are driven by engine power. 454 CUBIC INCH – Large gasoline engine option available in full size Chevy/GMC Trucks and Motorhomes. 460 CUBIC INCH – Large gasoline engine option available in full size Ford Trucks […]