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 […]

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 […]

Performance Chip Comparisons

Fueling and Timing Boxes Etc… Edge Products (www.edgeproducts.com) Edge has a variety of products to unleash the potential of this monster delivering gains up to 120 horsepower and up to 350 foot pounds of torque. The Edge Comp module maximizes engine efficiency by monitoring the RPM, timing, turbo boost pressure and fueling parameters. The module […]

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 […]

Rim Fit

I used fellow TDR member JPittinger’s advice and did the following: Jack up the vehicle, take off rear tires/rims, install 2 lug nuts to hold the drum on. Start the truck, put it in 1st and low range of the transfer case – this makes the drums turn REAL SLOW. If you have an auto, […]

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 […]

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. […]

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 […]

1999 24V Lift Pump Replacement

Procedures for a 1999 Ram NOTE: You may be able to improve this but this is exactly what we did and changed two pumps in less that two hours) TOOLS: 17 mm wrench & socket, 10 mm wrench & socket, 7/16 socket, 1/2 inch socket. Lay a non-conducting material over the battery posts (fender cover, […]

Stewart Warner B755 Memory Tachometer Install Sheet

Click the link below for the pdf version of Stewart Warner B755 Memory Tachometer Install Sheet Stewart Warner B755 Memory Tachometer Install Sheet [thanks to Stewart Warner sw-performance.com used with permission]

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 TPS Adjustment

Caution: Before testing the TPS, verify that the engine is set at correct low idle speed. 1- After Confirming the correct linkage adjustment and idle speed , proceed to the following. 2- Attach a Paper Clip into the center terminal of the TPS electrical connector. Do not remove the connector from the TPS for this […]

Gauge Installation Prep

This is a NEW USERS guide to gauge install preparation. I wish that I had something similar to this when I started this project. So I have assembled the information in this document with the goal of helping people to prepare for installing gauges. Some of This information has been obtained from Turbo Diesel Registry […]

Stewart Warner B833 Gauge Ultra Shift Light Install Sheet

Click the link below for the pdf version of Stewart Warner B833 Gauge Ultra Shift Light Install Sheet Stewart Warner B833 Gauge Ultra Shift Light Install Sheet [thanks to Stewart Warner used with permission]

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 […]

12V Engine Diagram

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