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 […]

Another 24V Lift Pump Replacement Procedure

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 […]

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 […]

P7100 Injection Pump Timing

THIS BULLETIN SUPERSEDES TSB. 18-10-94 DATED JUL.. 22, 1994. THE PART NUMBER FOR THE ENGINE TIMING TOOL PACKAGE HAS BEEN CHANGED TO SPX MILLER #6860. Models: 1994 (BR) Ram Truck Symptoms: Excessive white exhaust sake or lack of power. Diagnosis: Using the Mopar Diagnostic System (MDS) or the Scan Tool (DRB II or III) with […]

Clutch Replacement

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 […]

Turbo Horsepower

The horsepower is calculated as a rough estimate using approx. 0.7*CFM=Race HP and 0.55*CFM=Daily HP. Turbo CFM Racing HP Daily HP HX35 600 420 330 HX40 800 560 440 T66 800 560 440 B1 900 630 495 H2E 1000 700 550 HX50 1000 700 550 HX55 1050 735 578 HT3B 1100 770 605 T76 1350 […]

P Pump Cutaway

I snapped these Photos at SDX Aneroid Fuel Plate Governor Arm Governor Spring Cover and Throttle Cable Connection Point Governor Springs Pump Cam Delivery Valves Together

Diesel Fault Finding Chart

Symptom Key # symptom 1 Engine Running Hot 2 Poor Transient Response 3 Smoke 4 Engine Lacks Power 5 Black Exhaust Smoke 6 Blue Exhaust Smoke 7 High Oil Consumption 8 Turbocharger Noisy 9 Cyclic Sound From the Turbocharger 10 Oil Leak from Compressor Seal 11 Oil Leak from Turbine Seal   Note: R = […]

Dodge Cummins 24V Fuel Delivery

As you may know the 2nd Gen Vp44 Equip CTD has its share of fuel delivery problems. Here is a rough break down of actually what happening on a stock truck. The factory LP is working its self to death pulling the fuel all the way from the tank and it will stumble. When it […]

24V Cummins Engine Diagram

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

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 […]

Clamp On Isspro Thermocoupler

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 […]

BHAF – Big Honking Air Filter

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 […]

Inspecting the Water Pump Weep Hole on Dodge Diesel Trucks

Use a pipe cleaner or a piece of wire to knock scale and dirt from the water pump weep hole. 1st and 2nd generation (every 12000 miles): 1: From above and just in front of the alternator pulley, look down to the water pump. 2: The weep hole is at about the 7:00 position, below […]

Triple Turbos on a Powerstroke Diesel

THREE Turbos on a PSD!?! Well, it just had to be done. And it was a lot easier the second time around! Click HERE to see the build-up of the Twins. Much the same work and process was involved to create Stage 3, HT4B into HT3B into OEM Garrett. I really don’t know what to […]

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 […]