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 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 […]

4 Inch Aftermarket Exhaust Installation

In the shop, ready to get started. The original tailpipe. This picture clearly shows the difference in size between the old exhaust, and the new! The setup for the new exhaust, showing the front aftermarket 14 inch long anti-drone muffler, and the standard muffler further down – both are straight-thru design mufflers. A view from […]

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 […]

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 12V Cummins Fuel Shutdown Solenoid

To check the fuel solenoid adjustment: 1. Turn the key on but do not bump the starter 2. Get under hood and pull up the solenoid by hand (it will stay up when you let go). 3. Measure from the bottom of the solenoid mounting bracket to the top of the lever pin as shown […]

Repair Under Hood Weatherstripping

Tired of always finding the weather strip laying on top of the turbocharger in the engine compartment? A bead of silicone rubber RTV in the weatherstrip groove will keep the strip attached and eliminate the fire danger. Red RTV or high strength gray RTV is my favorite for this type of work. Black RTV would […]

Glossary of Diesel Terms

2WD – Only one pair of wheels are driven by engine power 4WD – One or both pairs of wheels are driven by engine power. 454 CUBIC INCH – Large gasoline engine option available in full size Chevy/GMC Trucks and Motorhomes. 460 CUBIC INCH – Large gasoline engine option available in full size Ford Trucks […]

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 […]

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 […]

24V Cummins Engine Diagram

24V Engine Diagram [click on image for larger version]

Diesel Thunder 2006

Lem stayed up late the night before and was working into the morning installing the Snow Performance water/methane injection system on his 2002 Cummins. As a result, we were late to the Dyno Drags for this year’s Diesel Thunder hosted by Northwest Bombers (local division of TDR). I and our friend Thom, who was working […]

My Glowplug Relay Bypass System

There have been many threads on the glow plug relay bypass idea discussing how and when to turn off the relay, and even whether or not it is a good idea at all. I have come up with a combination of ideas that I feel is the best scenario. How the glow plugs work depends […]

Ram Diesel Lift Pump Replacement

Tools needed: 7/16 or 11mm socket – for boost tube clamps 10mm socket – for lift pump bolts 14mm socket – for fuel filter canister 3/8 ratchet 6″ 3/8 extension 3/8 universal joint – makes filter nut easier 3/4″ open end wrench – for fuel inlet nut 14mm open end wrench – for fuel outlet […]

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 […]

P7100 Plunger Lift Timing

Bosch P7100 Lift Specs (mm) P7100 Pumps Only Tolerance for Plunger Lift Timing is +/- 0.1mm ( Use CPL number from engine data plate ) Engine Model B5.9160hpExcept CPL 1968 B5.9160hpCPL 1968 Only B5.9180hp B5.9215hp B5.9California CPL Numbers 1549, 15501551, 15521553, 18151816, 19591839 1968 2022, 2174 2023, 2175 1863 Static InjectionTimingdegrees BTDC Lift in mm […]