GM Diesel Trucks & SUVs
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Transmission Control 4L80E
6.5 TD Performance Cool Air Intake
6.5 TD Turbo Downpipe
6.5 TD Intercooler
Headlight Light Switch Saver and Light Intensifier
Oil Pressure Switch Saver
Ignition Switch Saver
6.5 Stock Airbox
6.5 Stock Exhaust
Duramax 6600 Performance
The Magnus-Moss Warranty Act ______________
The 4L80E is an electronic controlled automatic transmission with overdrive which was based on the dependable General Motors Turbo Hydramatic 400 series transmission. This is a very good transmission, however often under some heavy duty, performance and towing applications the transmission can slip or require increased line pressure and/or better shifting.
The Transmission control is a device to allow that adjustability and give the characteristics that would typically require a involved installation in the transmission and valve body of a 'shift kit'.
This Transmission Control is a device that is 'plug and play'.
As time and budgets permit you can 'grow' and add the desired performance parts and modifications in stages so you are not breaking the budget while trying to get your GM 6.5 Turbo Diesel to respectable performance levels.
Another great thing about the Boost, Fuel and Transmission Controls offered here are that they are adjustable, typically when you modify power levels the settings should be adjusted for optimum performance, with the Controls this is very easy and takes very little time.
With a "chip" or "programmed exchange computer" the setting is just that and non-adjustable, so then you may need to get another or have another new custom chip or computer programmed at even more expense or live with something that is not optimum.
As an example:
Say you get a 'chip' or 'exchange computer' well those have a fixed fuel
setting, so once you add a performance exhaust system or even a high flow air
filter, the engine be flowing more air, the computer may try to adjust for this
but to get the best out of the parts you can add more fuel to keep the proper
ratios to attain the optimum power or mpg levels.
Special note for 1996 and later models:
Additionally the 1996 and later OBD-II computers do not have a 'chip' that is easily changed and they usually require you purchasing and 'exchange' or modified computer. There are a few problems with that.
The Controls offered here are easy to remove and install so if you have any concerns about a trip to a dealership for warranty work or other service, you can simply remove them in minutes.
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of the truck
Downpipe Converter Test-Pipe
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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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