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 […]

Tips & Tricks for Better Fuel Economy

1. Air up your tires.Keeping your tires aired up to manufacturers specs can help your fuel economy up. 2. Leave your tailgate up!The tailgate up creates a vortex behind the cab which pushes air up over the tailgate. The tailgate down allows the air to push down on the bed creating drag. 3. Be easy […]

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 […]

The Dodge Diesel Mystery Switch

These instructions for the mystery switch are for the 47RH not the 47RE. The later transmission control has a relay that has to be removed and the load pins jumped. The ’96 and later also have more than one orange with black tracer wires on the PCM. There are 2 (two) options you have between […]

Adjusting Rear Drum Brakes

For trucks equipped with drum brakes there are a multiple of ways to adjust them. You should be able to get them to adjust automatically by using one of the procedures below. None of them work on my truck and I have to adjust mine manually. I even put all new hardware kits on and […]

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]

Exhaust Stack Gallery

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Stewart Warner B749 Gauge Install Sheet

Click the link below for the pdf version of Stewart Warner B749 Gauge Install Sheet Stewart Warner B749 Gauge Install Sheet [thanks to Stewart Warner used with permission]

Port and Polishing

First, you will need cutters. In the next photo you will see some of the cutters I use for this. On the right are metal cutters. These cost $20 to $75 each, so choose wisely. In the middle are sanding cones. I use #80-100-220-240 grit. I use a long mandrel and a (not shown) short […]

Dodge Diesel Truck Buyers Guide

Every Vehicle, Every Model On earth has its fair share of issues, And our CTD/RAMS are no exception This article is not meant to point out problems you’re going to have its just a heads up to some common known issues. To Learn Even More Join www.TDR1.com These Problems Affect all Years: Steering wander, 5th […]

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 12V Cummins Throttle Cable Replacement

Throttle cable failure has been common on 1994 – 1998 12 valve diesel engines, usually after about 30,000 miles on the cable. I am now on my third cable, and am curious to see if the new design will be more reliable. Twice I have managed to replace my cable in the nick of time […]

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 […]

Vulcan Fittings

This is a comparison between a Vulcan fitting and your stock banjo set up. The Vulcan Fittings are CNC Stainless Steal and are avalible with a tap in them for running a Fuel Pressure gauge. Vulcans Fitting replace The Stock Banjo’s at the following locations : VP44 inlet Fuel Filter Housing Inlet Fuel Filter Housing […]

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 […]

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 […]