Post Your Successful Diesel Mods At Dieseldatabase

By Dean Isaacson | Published: 7 Mar 2011

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

By unknown | Published: 23 Oct 2010

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 […]

Stewart Warner B779 Add-On Shift Light Install Sheet

By unknown | Published: 10 Nov 2010

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

Stewart Warner B759 LED Light Kit Install Sheet

By unknown | Published: 10 Nov 2010

Click the link below for the pdf version of Stewart Warner B759 LED Light Kit Install Sheet Stewart Warner B759 LED Light Kit Install Sheet [thanks to Stewart Warner used with permission]

Rust Prevention

By unknown | Published: 23 Oct 2010

Here’s a convenient and easy method of applying rust preventing solutions to inner panels and seams to control or avoid rust to various body seams. The nicest feature, is that you don’t have to remove interior panels to apply, just insert the feed hose into where you want to apply your rustproofing. The specific solutions […]

24V Cummins Fueling System Diagram

By Andy | Published: 22 Oct 2010

1998 CTD No Description 1 Fuel Transfer (Lift) Pump 2 Fuel Return Line (to Fuel Tank) 3 Fuel Supply Line (Low Pressure, to Engine) 4 Fuel Heater 5 Water-in-Fuel (WIF) Sensor 6 Fuel Filter / Water Separator 7 IAT Sensor 8 Map (Boost) Sensor 9 Fuel Drain Manifold 10 CKP Sensor 11 CMP Sensor 12 […]

Another 24V Lift Pump Replacement Procedure

By Andy | Published: 23 Oct 2010

This is how I replaced the lift pump on my ’99 QC, 4×4. Not sure what variations may or may not accure on other models. Parts list…………..New lift pump, lift pump wire pig tail, banjo bolts washers (8), dielectric grease and approx 1/2 gallon of clean diesel. Tools ………. 3/8″ drive ratchet, 3 or 4 […]

Clutch Replacement

By unknown | Published: 23 Oct 2010

Start inside the truck. With a Phillips remove the screws holding the shift boot and slide it up. Remove shifter with 3/4″ or 19mm wrench. Pop up transfer case shifter boot and remove bolt/s. Pull out rubber inserts in cupholders and remove bolt/s. Remove plastic shroud. Unbolt shifter boot. Unbolt shift tower carefully and tape […]

12V Engine Diagram

By unknown | Published: 22 Oct 2010

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

Weekend On The Edge 2006

By Dean Isaacson | Published: 11 Nov 2010

You could title this: My travels with Lem – Part II. Here we are on the road to the Weekend on the Edge event hosted by Edge Products of Ogden, Utah. The race is at the Rocky Mountain Raceway in West Valley City, Utah. This photo was taken at a rest stop in Montana. Funny, […]

BHAF – Big Honking Air Filter

By dieselminded | Published: 23 Oct 2010

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 […]

Hunting For Horsepower by Alligator Performance

By Dean Isaacson | Published: 21 Oct 2011

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 […]

12V Cummins Governor Lever Adjustment

By unknown | Published: 23 Oct 2010

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 […]

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

By unknown | Published: 23 Oct 2010

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 […]

Cummins Diesel Fan Belt Replacement

By unknown | Published: 23 Oct 2010

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 […]

Automotive Formulas

By unknown | Published: 23 Oct 2010

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 […]