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 […]

A Recommendation for Trailer Pullers

I pull a 27 foot fifth-wheel RV trailer. I’ve had it all over the West. As you know, there is a hill or two out here. In fact just south of my town, Bend, Oregon, there is a grade that slowed my previous truck with this trailer to 45 mph top speed. I’ve always hated […]

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 […]

24V CTD Valve Lash Limits

Spec Intake Exhaust Minimum 0.152 mm (0.006 inch) 0.381 mm (0.015 inch) Standard 0.254 mm (0.010 inch) 0.508 mm (0.020 inch) Maximum 0.381 mm (0.015 inch) 0.762 mm (0.030 inch) Adjustments should only be performed when the engine coolant temperature is less than 60°C (140°F).

Upgrading to 16cm Exhaust Housing

With this guide we have a donor charger so Removal of the charger is not included Refer to the Charger Swap Guide for further information Completion time: Less than 2 Hours Here’s a 16cm Holset Exhaust Housing Here’s the Exhaust Gasket Here’s the Oil Return Line Gasket Here’s the donor charger This set up is […]

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 […]

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 […]

Truck Domains or Website – Dieseldatabase Can Help!

Are you looking to start a truck blog? or do you want a website to show off your truck? We can help you. Cougar Gulch Group, LLC (the Diesel Database people) have several domain names for lease or for sale. We have full-featured, CMS websites (WordPress/Thematic) available from $150 to $499 (or more) and it […]

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 […]

Weekend On The Edge 2006

You could title this: My travels with Lem – Part II. Here we are on the road to the Weekend on the Edge event hosted by Edge Products of Ogden, Utah. The race is at the Rocky Mountain Raceway in West Valley City, Utah. This photo was taken at a rest stop in Montana. Funny, […]

Pyrometer Installation

See Universal Installation Guide for Installation on Turbo Down Pipe 1. Remove turbo from exhaust manifold. 2. Stuff a small shop towel or rag 4 to 5 inches into the rear exhaust manifold passage (see pic below) through the turbocharger mounting flange. This is to prevent chips from entering the manifold while drilling and tapping. […]

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 […]

12V Cummins TPS Adjustment

Caution: Before testing the TPS, verify that the engine is set at correct low idle speed. 1- After Confirming the correct linkage adjustment and idle speed , proceed to the following. 2- Attach a Paper Clip into the center terminal of the TPS electrical connector. Do not remove the connector from the TPS for this […]

Superchips Installation Guide 3705

Click the link below for the pdf version of the Superchips Installation Guide for the 3705 Superchips Installation Guide for the 3705

Bosch P7100 Fuel Pump Diagrams

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

Cummins Valve Cover Replacement

Here’s the Stocker And here’s the Bombed Valve cover Available Here at the Database: check the marketplace :: Bob Wagner The only tools you’ll need is a 1/4 inch drive ratchet and a 10 MM socket Really clean up the stock valve cover you do not want anything to fall down in to the valves […]