GM Diesel Trucks & SUVs 

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MAIN

Pictures of our 6.5TD truck

Performance Data

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NOTICE:
About
Discussion
Forums

Scroll Down for Duramax info & items

Recommended
  Products for 
  the GM 6.5TD 

6.5 PDC: Pump Driver Cooler

6.5 PMD / FSD Remote Harness

Gauges 

6.5 Dash Mounted Adjustable FUEL Control

Transmission Control 4L80E

All Hi-Flow Air Filters

6.5 TD Performance Cool Air Intake

IMPORTANT MUST READ NOTICES are Highlighted

FOAM Air Filter WARNING

6.5 TD Turbo Downpipe

Performance EXHAUST Systems

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COOLING:
WATER
Mist Injection

Aftermarket
Fan Clutch
WARNING

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6.5 TD Intercooler
ADVICE

Dual Auxiliary Electric Cooling Fans

6.5 Hi-Flow Dual Thermostat Cooling Upgrade

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6.5 Oil Cooler Hoses/Lines
NOTICE and Upgrade parts

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Serious POWER:

PROPANE Injection

NITROUS OXIDE (N2O) Injection

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6.5 Gear-Drive
Timing Set
WARNING

IMPORTANT MUST READ NOTICES are Highlighted

6.5 Pistons, Low Compression, ADVICE

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Headlight Light Switch Saver and Light Intensifier 

Oil Pressure Switch Saver

 Ignition Switch Saver 

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6.5 Stock Airbox

6.5 Stock Exhaust 

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Recommended
  Products for  
  the Duramax  

Duramax 6600 Performance 

Cool Air intake

Power Box

Performance Exhaust

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The Magnus-Moss Warranty Act ______________

GM 2001 HD Silverado / Sierra Power Launch Tour

SEMA 2000 Show LV NV

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SCARAB Offshore Powerboat

1979 Pontiac Limited Special Edition Trans-Am

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Disclaimer

LINKS


WARNING: Gear-Drive Timing Set

 A gear-drive timing set being promoted and sold via a few discussion groups is not such a good idea. Many engine builders know for longevity you do not want to use aftermarket gear-drive timing on an engine not designed for it, they prefer timing chains and belts, the reason is simple, chains and belts have a cushioning effect that absorbs shocks and makes life easier on the valvetrain.  

 Race engines that use gear-drive timing are often torn down and rebuilt or checked out every few runs! There are some OEM engines that use gear-drive timing, but those are designed that way by the manufacturers and much engineering, research and development and huge budgets support the required effort that goes in to those designs, there are many variables that must be dealt with.

 One individual who sells this gear drive I believe is now on his 4th or 5th GM 6.5 Diesel engine in his truck, he has had broken crankshafts and cracked engine blocks! I also noticed a pattern after reading number of posts or getting emails mentioning engine failures only to find out they too were running that gear-drive.

 A promotional 'tactic' that appears to be used to sell this gear-drive is the claim that the engine will make more power and/or get better mpg by using it, but the truth of the matter is the power and mpg can be gained by simply timing changing of the "TDC Offset Learn", to different specs, of course the recommend these specs with the gear drive, however this can still be done on any efi GM 6.5 that has a stock or aftermarket timing chain. No need for the gear-drive to get added power or mpg.

 To do things right, if your timing chain is stretched, then replace it with a quality OEM or aftermarket replacement, you will save a LOT of money, avoid that gear-drive and I feel you will save your engine from an early death.
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Pictures of the truck     Performance Data   
  Boost Control    Fuel Control  Transmission Control
  PMD / FSD Remote Harness   PDC: Pump Driver Cooler  
Performance Cool Air Intake  High-Performance EXHAUST System
 
Water Injection    PROPANE Injection    NITROUS OXIDE Injection
  Dual Auxiliary Electric Cooling Fans   Hi-Flow Dual Thermostat Cooling Upgrade
Oil Cooler Lines, Hose Upgrades    
Transmission Power Relay System   Headlight Relay and Light Intensifier  
  Fuel Lift Pump Relay System 

Downpipe   Converter Test-Pipe 
Stock Exhaust  Stock Airbox

GM 2001 HD Silverado / Sierra Power Launch   SEMA 2000 Show, Las Vegas, NV 
SCARAB Offshore Powerboat    1979 Pontiac Limited Special Edition Trans-Am LINKS     Hummers at a local dealer

 

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Disclaimer: Some products can adjust and/or increase power levels beyond factory parameters, so their use could possibly void your warranty, and may not be legal for use on emission controlled vehicles in some areas, due to these facts buyer accepts all responsibility for use, and his/her actions, there is no warranty either expressed or implied as to use of products, improper installation, settings and/or use of such could possibly cause property damage and or personal injury.  The Magnus-Moss Warranty Act prohibits a dealer or manufacturer from voiding your warranty unless a product is directly responsible for a failure.  Although effort has been made to try to present accurate information this website, it can contain some opinion, conjecture, errors, mistakes and typos so use any information with that in mind and if in doubt research anything you do not understand or question.  There is no guarantee or warranty on information on this website or any others it links to and visitors agree to hold authors, page owners internet service providers and web hosts free from any liability arising from use of information provided. Prices subject to change without notice.

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Last modified: June 01, 2002