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 […]

B Series Valve Clearance Adjustment

Tools needed: 14mm wrench 15mm wrench 19mm wrench Large Flat blade screwdriver soft mallet or wood block Engine Barring Tool Long 1/2″ drive wrench Torque Wrench feeler gauge NOTE: The Cummins Midrange Performance Tool Kit (P/N 3399869) contains all of the tools required for an oil and oil filter change, a fuel filter change, and […]

24V Piston Specs

Descriptions Specifications Piston Skirt Diameter 101.864 – 101.88 mm / 4.0104 – 4.011 in Ring Grove Clearance Intermediate Oil Control     0.095 mm / 0.0037 in 0.085 mm / 0.0033 in Top Ring 0.35 – 0.45 mm / 0.014 – 0.0177 in Intermediate 0.85 – 1.15 mm / 0.0334 – 0.0452 in Oil Control […]

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 […]

Truck Domains or Website – Dieseldatabase Can Help!

Are you looking to start a truck blog? or do you want a website to show off your truck? We can help you. Cougar Gulch Group, LLC (the Diesel Database people) have several domain names for lease or for sale. We have full-featured, CMS websites (WordPress/Thematic) available from $150 to $499 (or more) and it […]

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 […]

SCT Livewire

Since hands down the SCT is the tuner of choice I’ve noticed for hardcore diesel enthusiasts, there have been a lot of threads as of late on the LiveWire. Since it’s a fairly new product I figured I’d put something together to highlight some of its features and hopefully demystify it for everyone. My first […]

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

How to adjust the idle speed on a Dodge Diesel

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 is that it is under […]

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 […]

12V Engine Diagram

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

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 […]

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 […]

Rotary Axis Supply Pump Installation 24V CTD

[thanks to K-O Engineering] Click the link for the pdf version of the RASP installation manual for the 24V CTD motor. RASP installation manual

Dodge Cummins Ebrake ECM Hookup

Using the ECM to Control Non-Jacobs Exhaust Brakes You will need this pigtail to connect the brake wiring to the ECM. Cummins Part Number: 3824810 Connect the pigtail show above to pin 20 of the ECM Schematic for the Dodge/Jacobs e-brake system connected to the ECM You will need to adapt your e-brake installation to […]

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 […]