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 Diesel Injector Comparisons

By popular demand our customers have asked us to show a comparison between the Bosch 275hp RV injector and the Diesel Dynamics True Torque II injector series. This graph shows typical gains with the 275hp RV injectors and DD stages 1,2, and 3. This is a graph of a 99 Cummins Ram with Std Transmission. […]

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 […]

Stewart Warner B757 Ultra Shift Light Install Sheet

Click the link below for the pdf version of Stewart Warner B757 Ultra Shift Light Install Sheet Stewart Warner B757 Ultra Shift Light Install Sheet [thanks to Stewart Warner used with permission]

Stewart Warner B793 LED Light Kit Install Sheet

Click the link below for the pdf version of Stewart Warner B793 LED Light Kit Install Sheet Stewart Warner B793 LED Light Kit Install Sheet [thanks to Stewart Warner used with permission]

Cummins 12V Idle Adjustment

Adjusting the idle speed on the diesel engine is not difficult. The adjustment is located on the driver side of the injector pump near the rear of the pump. You will need a 10 mm wrench. Correct speed is: 1994-1998 with AT – in drive with AC on 750 -800 RPM 1994-1998 with manual in […]

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 […]

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 […]

P Pump Cutaway

I snapped these Photos at SDX Aneroid Fuel Plate Governor Arm Governor Spring Cover and Throttle Cable Connection Point Governor Springs Pump Cam Delivery Valves Together

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 […]

Turbo Troubleshooting Chart

Click on Image for a Larger View [thanks to Garrett used with permission]

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 […]

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. […]

Dodge Diesel Frantz Oil Filter

Significant interest, and LOTS of misconception surrounds bypass oil filters in general – and the Frantz TP filters especially, tho’ the same general construction is also used for the several paper towel bypass filters as well. Bypass oil filtration differs from the stock full-flow filters used on all modern engines, including our Cummins, in that […]

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 Cummins HTT Manifold

After much reading of folks having troubles with the OEM manifold cracking and the bolts coming loose from expansion and contraction I decided it was time for me to go to a 3 piece manifold, I opted for the unit from High Tech Turbo and purchased one from my friend Lazer Bob in Colorado, The […]