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 […]

Dodge Pickup VIN Decoding

The Vehicle Identification Number (VIN) plate is located on the dash by the windshield near the left A-pillar. Position Interpretation Code Description 1 Country Of Orgin 3 Mexico 2 Make 8 Dodge 3 Vehicle type 6 Incomplete 7 Truck 4 Gross Vehicle Weight Rating K 8,001 – 9,000 M 10,001 – 14,000 5 Vehicle line […]

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 […]

12V Cummins Governor Spring Kit

CAUTION:If you intend to operate the engine over 3200 rpm, you should replace the engine valve springs with a heavy-duty type. If you do not have heavy-duty exhaust springs installed please call PDR for further instructions. Estimated completion time: (First time installer) 1.5 hours Things you will need to complete this project: 1. 7/16″ deep […]

Stewart Warner B749 Gauge Install Sheet

Click the link below for the pdf version of Stewart Warner B749 Gauge Install Sheet Stewart Warner B749 Gauge Install Sheet [thanks to Stewart Warner used with permission]

Upgrading to 16cm Exhaust Housing

With this guide we have a donor charger so Removal of the charger is not included Refer to the Charger Swap Guide for further information Completion time: Less than 2 Hours Here’s a 16cm Holset Exhaust Housing Here’s the Exhaust Gasket Here’s the Oil Return Line Gasket Here’s the donor charger This set up is […]

Dodge 24v Cummins Injector Replacement

Here is a sheet for replacing the injectors on a Dodge 24v Cummins [thanks to Diesel Dynamics] DD-Injector-Install-Instructions

Anti-Freeze Replacement

From Steve St.Laurent : Here’s how I did mine and I got approximately 5.5 gallons into the system, first I opened the petcock on the radiator (turn it, then pull on it a little, turn, pull, turn, pull – until it starts draining), that will drain the fluid out of the overflow bottle, once the […]

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 […]

Dodge Gear Speed Calculator

Click the link below for the pdf version of Dodge Gear Speed Calculator Dodge Gear Speed Calculator [klenger.net used with permission]

Twin Electrical Fans

It’s been said that the factory fan consumes horsepower, and I’ve heard conflicting results as to what the power increase would be if you were to eliminate the fan and go electric. Me, I just don’t like the idea of that big thing swinging around on the end of the water pump, putting all that […]

Gear Ratio Spreadsheet

Click the link below for the excel version of Gear Ratio Spreadsheet Gear Ratio Spreadsheet

Weekend On The Edge 2006

You could title this: My travels with Lem – Part II. Here we are on the road to the Weekend on the Edge event hosted by Edge Products of Ogden, Utah. The race is at the Rocky Mountain Raceway in West Valley City, Utah. This photo was taken at a rest stop in Montana. Funny, […]

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 […]

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 […]

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       […]