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 […]

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 […]

Replacing Front Spring Bushings on a Ford Pickup

The factory Ford rubber spring bushings just didn’t last on my F-350, due in part to the heavy Power Stroke engine. The best replacement for these are urethane bushings. They last much longer and can come embedded with graphite for lubrication to eliminate squeaking. The best manufacturer of these urethane bushings is Energy Suspensions.  I […]

Ford 7.3L Diesel Fuel Tank Vent Mod

About one month after I completed the extraction and re-installation of the PSD from my truck, necessitated to replace a rusted out oil pan, I noticed diesel fuel on the floor of my garage under the rear of my truck.  Sure enough the steel rear fuel tank had also rusted through.  Why in the world […]

Dodge 24v Cummins Injector Replacement

Here is a sheet for replacing the injectors on a Dodge 24v Cummins [thanks to Diesel Dynamics] DD-Injector-Install-Instructions

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, […]

China can make things cheaper than the US – Here’s How!

Ever Wonder How China makes Stuff Cheaper than us? China needs “fair trade” instead of “free trade,” and maybe the greater profit margins will make room for OSHA, EPA, and some of the other trappings that make America great! The Construction Site Hard Hat The Dust and Particle Free Breathing Apparatus OSHA Approved Scaffolding And […]

Automotive Formulas

How To Calculate CFM: Engine size (CID) x maximum RPM / 3456 = CFM CFM @ 100% volumetric efficiency Cylinder volume (displacement): 3.1416 x bore x bore x stroke Compression ratio: Vi ñ V2(Where Vi is total volume of one cylinder and V2 is volume of space above piston at top of stroke) Brake Horsepower […]

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 […]

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 […]

Diesel Fault Finding Chart

Symptom Key # symptom 1 Engine Running Hot 2 Poor Transient Response 3 Smoke 4 Engine Lacks Power 5 Black Exhaust Smoke 6 Blue Exhaust Smoke 7 High Oil Consumption 8 Turbocharger Noisy 9 Cyclic Sound From the Turbocharger 10 Oil Leak from Compressor Seal 11 Oil Leak from Turbine Seal   Note: R = […]

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. […]

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 […]

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 […]

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 […]

Another Pyrometer Installation

A. THERMOCOUPLE INSTALLATION – The R650 Thermocouple mounts into a 1/4″ pipe thread. If the exhaust manifold is already drilled and tapped, install the thermocouple at that location. If none is provided, make a 3/4″ hole in the exhaust pipe, not more than 6″ below the exhaust-manifold-to-exhaust-pipe connection and weld the R680 bushing into the […]