Category Archives: Fuel Systems

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 […]

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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 […]

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Turning Up a P7100 Pump

The steps for turning up a P7100 pump are: 1) Remove your AFC Housing 2) Mod Your Fuel Plate either slide it forward or purchase a cut one 3) Adjust the governor lever to contact the fuel plate 4) Crank the star Wheel Towards the motor 5) Slide The AFC housing all the way forward […]

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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 […]

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Ram Injector Specs

Fuel Injector ” Pop Off ” Pressure: 31,026 kPa (310 bars) or (4500 psi +/- 250 psi) Fuel Injector Leak Down Pressure: App 20 bars (291 psi) lower than pop pressure Fuel Injector Firing Order: 1-5-3-6-2-4

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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 […]

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Pump Diagnosis

[Copyright Diesel Injection Service used with permission]

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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 […]

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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 […]

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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 […]

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