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 […]

Installing Upfitter Switches in 2005 and Newer Ford Super-Dutys

If you want to add a few aftermarket options to your new Ford Super Duty, Ford Motor Company makes things easy for you. One of the options you can select from the factory is the “UPFITTER SWITCH” option. This is a bank of four switches, with fuses and associated relays, that provide two 30 amp […]

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 […]

Bosch VP44 Fuel Injection Pump Replacement

This documentation is intended to be used as a visual overview only and is not meant to be used as a replacement for a service manual. Please consult your Dodge service manual for complete instructions on the removal and re-installation of an injection pump The truck in this project is a 2000 Dodge Ram 3500 […]

Stewart Warner B756 Standard Tachometer Install Sheet

Click the link below for the pdf version of Stewart Warner B756 Standard Tachometer Install Sheet Stewart Warner B756 Standard Tachometer Install Sheet [thanks to Stewart Warner used with permission]

4 Inch Turbo-Back Kit Number 4005500

Click the link to view the instructions for Turbo-Back Kit #4005500 instructions for Turbo-Back Kit #4005500

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 […]

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 […]

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 […]

Installing a Throttle Body Spacer

That I take my vehicles to a mechanic, even for minor problems, makes me spoiled in some respects. Though I have disciplined myself to change wiper blades, fuses and light bulbs. Nonetheless, when I looked the throttle body spacer over, I took up the challenge to install the unit myself. This isn't a hard one. […]

Stabilizer Kit

Complete stabilizer kit. (Patent Pending) ’94 to ’02 4wd model shown. This product will greatly reduce steering “wander” on your late model Dodge pickup. This unit will serve to eliminate sector shaft play in the steering box which is a large contributor to wandering and poor road feel. It also serves to minimize frame flex […]

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 […]

Propane Kit Comparison

When Propane is added to the air intake usually the horn it ensures that all the Diesel is turned into Power. When propane is used properly, it will keep your engine cleaner with less carbon buildup and cleaner oil. Propane is a high-octane fuel and burns slower and longer therefore, propane will help diesel burn […]

Turning up the Injector Pump on a 7.3L or 6.9L IDI

This article will hopefully give you some insight on how to adjust your fuel injection pump on 88-93  7.3L Non-Powerstroke, IDI. This will probably work the same way on a 6.9L Navistar(Ford) engine as well. To start off, I would recommend putting in a pyrometer gauge before doing any kind of performance upgrades. I would […]

Turbo Comparison Photos

Here are some comparison photos of After Market Turbos compared to Stock Equipment Click on images for a larger view. Thanks To : Henry H Wyatt II From left to right 02′ Stock, HX 40, HT3B (from piers street twin setup) HY35 vs B 1-2 Thanks To : Bill Soule

Bosch P7100 Fuel Pump Diagrams

Click on Image for a Larger View. Click on Image for a Larger View.