RECOMMENDED PRODUCTS
FOR THE GM 6.5 DIESEL ENGINES | PDC/PMD | OPSS | BOOST/FUEL CONTROLS |

  This page was created in response  to many common questions about what are the best steps to take with a GM 6.5 Liter Diesel or GM 6.5 Liter Turbo Diesel Engine, we have made the list of the most recommended and most popular products. Be sure also to read our FAQ pages links are near the bottom of this page.

     Being that we are the Manufacturer of most of these products, we have a lot more knowledge and expertise with products for these engines than 'internet parts sellers' and product dealers.

Listed in order of importance for;

RELIABILITY First,

 then , Added Efficiency = More Power, Performance and better Fuel Economy

 then for Substantial Added Power

 and within that order the Best Value for the Dollar

 Many of the fine products offered here are used on; AMBULANCES/RESCUE VEHICLES, FIRE Department, ARMY, NAVY, Air Force, Marines & Other Military and other Fleet vehicles that demand RELIABILITY!  A few of such have testimonials and follow ups listed on our Feedback page.
 

  The links to the products below should open in a new window to give you more information on the products and then you can return to this page to keep reading.
 

  RELIABILITY:

     PDC/PMD REMOTE PACKAGE The PMD module is the most common part to fail on the GM 6.5 Diesel Engines and results in many Driveability and Reliability issues. The PDC/PMD Remote Package is basically a 'plug n' play' unit that allows quick and easy fix and long lasting solution to the chronic PMD failure problems plaguing these engines. No adjustments needed.

    OIL PRESSURE SWITCH SAVER When the OPS (oil pressure switch) fails on GM 6.5 Turbo Diesel engines the engines will often still run because despite that the lift pump would not run but because the injection pump many times would suck fuel through it, that condition creates more strain on the injection pump due to the added work it to do that, and work equals HEAT, and heat is the enemy of the PMD/FSD, the most common part to fail on the GM 6.5 Diesel Engines, (see Our PDC/PMD Remote Package for the fix for that common problem.), so it is Highly Recommended for 6.5 RELIABILITY and we require the OPS SAVER for warranty of our PDC/PMD Remote Package.

     IGNITION SWITCH SAVER The GM ignition switches tend to fail due to the electrical loads and related strain on them. Often the vehicle's transmission will get stuck in 2nd gear or fail to upshift as a result of the ignition switch failing. This product solves the chronic GM ignition switch failure problem. The ISS IGNITION SWITCH SAVER safely removes most load off the contacts of the ignition switch yet is still operates properly and retains all vehicle functionality.

     WATER MIST INJECTION SYSTEM for Turbo & Supercharged Engines; is recommended to reduce power losses from heat and high intake air temps (IATs).  In addition, alcohol can be added as a fuel for added power gains. The stock efi GM 6.5 Engine's PCM (computer) is designed to reduce fuel if engine temperatures are getting higher, that results in serious power loss often at times like going up a grade when you need all the power you can get, the Water Mist injection helps keeps things cool so the fuel is not cut back and power levels can remain higher. This product is the best way to cool intake air, increase power, keep the combustion chambers clean and help cool the engine! We noticed in testing and customers who purchased confirmed that this product for 1996 and older single thermostat 6.5 Diesels had no need to upgrade to the 1997+ dual-thermostat H.O. cooling system components.
 

  ADDED EFFICIENCY = MORE POWER, PERFORMANCE and BETTER MPG/FUEL ECONOMY: 

     DASH ADJUSTABLE TURBO BOOST / FUEL CONTROL for GM 6.5 Turbo Diesel Engines; adds a lot of power and can increase MPG and pay for itself in time from Fuel Savings! Best power for the dollar value we know of for the 6.5TD. Easy 'crimp, plug n' play' installation.

     HI-FLOW PERFORMANCE AIR FILTERS, 'LIFETIME' REUSABLE allows engine to breathe better resulting in better performance and mpg. Works well with Boost Control and Performance exhaust system.

    DUAL-STAGE WATER MIST INJECTION SYSTEM ALCOHOL CAPABLE for Turbo & Supercharged Engines; is recommended to reduce power losses from heat and high intake air temps (IATs).  In addition, alcohol can be added as a fuel for added power gains. The stock efi GM 6.5 Engine's PCM (computer) is designed to reduce fuel if engine temperatures are getting higher, that results in serious power loss often at times like going up a grade when you need all the power you can get, the Water Mist injection helps keeps things cool so the fuel is not cut back and power levels can remain higher. This product is the best way to cool intake air, increase power, keep the combustion chambers clean and help cool the engine!

     TUNED 6.5 TURBO DIESEL PERFORMANCE EXHAUST SYSTEMS which includes the Turbo Downpipe allows freer exhaust flow so the engine can breathe better, increases turbo response and lower exhaust gas temperature. This is a tuned system specifically designed for the GM 6.5 Turbo Diesel powered Pickup Truck and Suburban vehicles.
 

            SUBSTANTIAL POWER ADDERS:

     PROPANE INJECTION SYSTEM for Turbo and Supercharges Engines. a serious power adder, and helps the engine make power more efficiently and often results in mpg gains.

     NITROUS OXIDE INJECTION SYSTEM for Turbo and Supercharges Engines. another serious power adder, and helps the engine make power more efficiently.

    Email for current ordering and payment information: Sales (AT) A1customs.com

   
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FAQ Products & Technical

Feedback & Testimonials

 WARNING : About Forums and Discussion Boards

 WARNING : Knockoff Products & Cheap Copies

 NOTICE : About Low Compression Pistons

 WARNING : Fan Clutch Warning

 NOTICE : Intercoolers for the 6.5

 WARNING : Gear-Drive Timing Set

 WARNING : Splayed Main Caps Kit

 WARNING : Foam Air Filters

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