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 […]

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 […]

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 […]

The Dodge Diesel Mystery Switch

These instructions for the mystery switch are for the 47RH not the 47RE. The later transmission control has a relay that has to be removed and the load pins jumped. The ’96 and later also have more than one orange with black tracer wires on the PCM. There are 2 (two) options you have between […]

Detailed Dodge Diesel Oil Change

Supplies: 3 Gallons Oil; Mobil Delvac Super 1300 is what I use, I should probably be using the Synthetic stuff. But I don’t. Oil Filter; My Fleet Guard Filter supply was tapped out so I had to run to advanced auto and get a Purolator… $15 !! The Fleet Guard Filters can be had for […]

FASS Install

This link is the pdf file for the FASS Install guide. [Thanks Diesel Performance Products] FASS Install

Heated Tow Mirror Swap

You need to have the bases from an 2nd gen. tow mirror equipped truck. Then purchase a set of Power/heated tow mirrors from a 3rd gen truck, you can get them in a kit (which is both mirrors, you will still need to buy a switch, knob and nut) Once you have all four mirrors, […]

Homemade Traction Bars

With the addition of the 33″ BFG’s and the Detroit Locker, I could feel some wheel hop, with the only real mod being the addition of the 70 hp chip.  Anticipating the increased horsepower my PSD will be putting out, I decided to add traction bars to the rear axle.  Trying to save money for […]

Stewart Warner B779 Add-On Shift Light Install Sheet

Click the link below for the pdf version of Stewart Warner Add-On Shift Light Install Sheet Stewart Warner Add-On Shift Light Install Sheet [thanks to Stewart Warner used with permission]

Dodge Cummins 12V Dowel Repair

Several people on the TDR website showed interest in learning more about the work involved in replacing a broken timing gear housing from damage caused by the upper dowel pin working its way loose. You first remove the bumper, fan, radiator and loosen the A/C condenser. It is possible to remove the intercooler without breaking […]

Cummins Governor Spring Replacement Aid

Here’s the dust cover that needs to be removed to access the governor springs Once the dust cover is removed you’ll need to turn the motor over till a set of springs is lined up perfectly in the opening … there are 2 sets of springs they are mounted opposite of each other Here’s how […]

Dodge Stock Horsepower Chart

Here’s the stock Horse Power Rating for Cummins / Ram Trucks Year Transmission Stock HP 1994 Auto 160 1994 Manual 175 1994 1 Ton 240 1995 Auto 160 1995 Manual 175 1996 Auto 180 1996 Manual 215 1996 California 180 1997 Auto 180 1997 Manual 215 1997 California 180 1998 12V Auto 180 1998 12V […]

Pyrometer Installation

See Universal Installation Guide for Installation on Turbo Down Pipe 1. Remove turbo from exhaust manifold. 2. Stuff a small shop towel or rag 4 to 5 inches into the rear exhaust manifold passage (see pic below) through the turbocharger mounting flange. This is to prevent chips from entering the manifold while drilling and tapping. […]

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 […]

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 […]

Bosch P7100 Fuel Pump Diagrams

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