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 TPS Wiring Diagram

For TPS adjustment, Joe G. suggested using a potentiometer in the ground circuit. I decided to try it and It really gives a much better range of adjustment than elongating holes in the TPS body. Here is a schematic drawing showing how to wire it. Using the above circuit, adjusting the potentiometer adds resistance to […]

Stewart Warner B751 Air Fuel Ratio Gauge Install Sheet

Click the link below for the pdf version of Stewart Warner B752 Air Fuel Ratio Gauge Install Sheet Stewart Warner B752 Air Fuel Ratio Gauge Install Sheet [thanks to Stewart Warner used with permission]

24V Transmission Pan Comparisons

By adding an increased capacity transmission pan you decrease your fluid temperature and prolong the life of your transmission. Here are some options: Hughes (www.hughesperformance.com) Bolt on deep transmission pans are made from cast aluminum and designed with cooling fins to dissipate heat quicker. Cast aluminum pans hold approximately 2 to 4 extra quarts of […]

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 […]

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]

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 […]

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]

24V Transmission Band Adjustment

One of the most frequent questions I get on the Cummins powered Dodge trucks is transmission related. The Dodge automatic tranny is very robust and does what it was intended to do very well. But given the reputation for massive torque that the Cummins engine provides, many times the transmission is asked to do far […]

24V CTD Valve Lash Limits

Spec Intake Exhaust Minimum 0.152 mm (0.006 inch) 0.381 mm (0.015 inch) Standard 0.254 mm (0.010 inch) 0.508 mm (0.020 inch) Maximum 0.381 mm (0.015 inch) 0.762 mm (0.030 inch) Adjustments should only be performed when the engine coolant temperature is less than 60°C (140°F).

On Board Air Tank

It’s always handy to have compressed air with you for filling your flat tires, other people’s flat tires, air horns, blowing mulch or straw out of your bed, the list can go on and on.  I use compressed air mainly for my air horns. I’ve had a 9 gallon air tank in my aluminum bed […]

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 […]

Edge Power Comp Manual 24V CTD

[thanks to Edge] Click the link for the pdf version of the Edge Power Comp Manual for the 24V CTD motor. Edge Power Comp Manual

Inspecting the Water Pump Weep Hole on Dodge Diesel Trucks

Use a pipe cleaner or a piece of wire to knock scale and dirt from the water pump weep hole. 1st and 2nd generation (every 12000 miles): 1: From above and just in front of the alternator pulley, look down to the water pump. 2: The weep hole is at about the 7:00 position, below […]

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]

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 […]