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 […]

Two Wheel Drive Low

The important thing is the 2 port vacuum switch…you need to get one that is ‘open’ when it’s in the off position so vacuum can flow through normally. I used a Nippondenso EGR vacuum switch for a Honda Civic. They never break! The rest of the parts list is simple and small: Rocker switch (I […]

Gear Ratio Spreadsheet

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

Dodge 24V IAT Sensor Cleaning

This is an article for cleaning the IAT sensor on the 1998-2002 24V diesel engine. The IAT sensor measures the temperature of the intake manifold. The ECM uses this sensor reading to set injection timing and adjust the air-fuel ratio. If the fuel mileage and power output of you engine seem low, some owners have […]

CTD Dimensional Specification

2002 CTD/RAM Descriptions Specification Engine Type In-Line 6 Cyl. Turbo Diesel Bore & Stroke 102.0 X 120.0 mm 4.02 X 4.27 In. Displacement 5.9 L 359 Cu. In. Compression Ratio 245 HP 2002 CTD 235 HP 2002 CTD   17.0:1 16.3:1 Horsepower A/T M/T   235 @ 2700 RPM 245 @ 2700 RPM Torque Rating […]

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 […]

Dodge Towing Specifications

When Equipped with Cummins Turbo Diesel Dodge RAM 2500 RAM 2500 Reg Cab 4×2 Long Bed Quad Cab 4×2 Short Bed Quad Cab 4×2 Long Bed Trans/Axle GCWR Payload Curb Wt Tow Wt Payload Curb Wt Tow Wt Payload Curb Wt Tow Wt A4/3.55 16,000 3,120 5,679 10,150 2,820 5,981 9,850 2,700 6,096 9,750 A4/4.10 […]

Twin Turbos on a Powerstroke Diesel

A big thanks goes to John Anderson for being the Pioneer on this type of project and sharing his project with all of us. In that same spirit, I threw some pics into a collage to be able to share what I can now, until I can do a formal write up for this site. […]

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 […]

Glossary of Diesel Abbreviations

2WD Two Wheel Drive 4WD Four Wheel Drive AAMOF As A Matter Of Fact – used by many on mail lists and message boards ABS Anti-lock Brake System: Modulates braking pressure to control wheel lockup ACM Airbag Controller Module: monitors sensors and deploys airbag(s) in the event of an accident ACT Air Charge Temperature ACV […]

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 […]

Vulcan Fittings

This is a comparison between a Vulcan fitting and your stock banjo set up. The Vulcan Fittings are CNC Stainless Steal and are avalible with a tap in them for running a Fuel Pressure gauge. Vulcans Fitting replace The Stock Banjo’s at the following locations : VP44 inlet Fuel Filter Housing Inlet Fuel Filter Housing […]

Air Dog Install Manual

[thanks to Air Dog] Click the link for the pdf version of the Air Dog Installation manual for the 24V CTD. Air Dog Installation manual

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 […]

12V Cummins Fuel System Diagram

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

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, […]