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 […]

Waste Gate Mods

The simple explanation: a waste gate limits the maximum boost generated by the turbocharger. How it works and what it does: The waste gate uses a pressure activated diaphragm and rod to operate an exhaust bypass around the turbocharger and thus limit the maximum boost that the turbocharger can produce. This permits an engine manufacturer […]

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 […]

12V Cummins Fuel System Diagram

Here is a diagram for the 12V Dodge Cummins Fuel System. [Click on image for larger version]

Stewart Warner B755 Memory Tachometer Install Sheet

Click the link below for the pdf version of Stewart Warner B755 Memory Tachometer Install Sheet Stewart Warner B755 Memory Tachometer Install Sheet [thanks to Stewart Warner sw-performance.com used with permission]

Dodge Gear Speed Calculator

Click the link below for the pdf version of Dodge Gear Speed Calculator Dodge Gear Speed Calculator [klenger.net used with permission]

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 […]

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

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 […]

Efficient Engine Montoring

PYRO: Temperatures will vary whenever the throttle is moved or the terrain changes. The peak number is the most important while towing, the ISB can be safely run up to 1450 for short bursts and 1350 all day long. This number is strongly affected by modifications weather it be Air flow or Fuel delivery. If […]

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 Cummins Under Hood Mods

Click picture for a full size view. Click on the product titles below for a link to a dealer OuterWears FAQs (Questions About Prefilters) Why do I need a Pre-Filter? How does a Pre-Filter work? Will adding a Pre-filter reduce my airflow or horsepower? Will the Pre-Filters work on paper filters? How much dirt will […]

Service Record Spreadsheet

Click the link below for the Excel version of Service Record Spreadsheet Service Record Spreadsheet [thanks to WBUSA used with permission]

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 […]

Ford 7.3L Engine Removal – The REAL How To

After replacing my rear axle cover due to rust through, I noticed severe rust on the engine oil pan. I’ve had experiences with rusted oil pans in the past and knew this had to be taken care of soon, or I’d be doing it in the middle of an Ohio winter. Early October, 2001, I […]

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, […]