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Huckstorf Diesel
Pump & Injector Service Inc.
9745 South 58th Street
Franklin, WI  53132

Give us a call!  We are here to help you. 
414-421-7222   /   800-776-7102


Diesel Performance
Product Guide & Store

Huckstorf Diesel Pump & Injector Service is your one stop shop for all your diesel repairs, maintenance, and upgrades! Please contact us if you have questions or would like suggestions.

Diesel Performance Product Guide & Store

There are many diesel performance parts and products out there. Which one is right for you? Huckstorf Diesel has spent lots of time doing the research and testing many products so you don't have to. From diesel performance chips, to tuners, to modules, to intake systems, and exhaust systems we know what works and we will be happy to sort out your options. We took the time to break it down for you into sections and give you options and suggestions in each of those sections. In the Performance area there are truck specific products that make the power. The Exhaust area has complete systems or individual parts so you can build your own custom exhaust or stack kit. We offer a wide variety of Gauges & Holders to monitor what is going on with your truck. The Air Intake System section is also broken down by truck brand so you can easily find the right one. In the Turbocharger section you will find stock replacements and performance upgrades for the serious tower and the high performance crowd.  With big power you need a reliable and capable Fuel Supply. In the Engine Parts area you will find the commonly replaced items that you are looking for.  And of course, every diesel engine needs quality fuel.  In the Additives area you will find the best products available to treat your fuel to keep your engine happy!

Please look around and Contact Us if you have any questions, comments, or suggestions.  Thank you!

GM Performance Transmissions

Store_Transmission_Allison_Logo.jpg Store_Transmission_Allison.jpg

Probably the best transmission ever offered in a pickup truck.  The Allison 1000 series does an excellent job of handling the factory power levels and towing ratings.  It does have limitations though.  In the 400 HP and above range, or if you regularly haul near or above the recommended pay load range, the limits of the stock Allison can be found.  This transmission is controlled by a separate computer called the TCM.  This computer is always monitoring the transmission and making adjustments in pressures and shift timing to produce optimum shift quality.  If there is a problem detected it will go into a self protection mode known as "limp mode".  Even the slightest problem will have the TCM command lower power from the engine computer to avoid going into the limp mode.  Often times it is slip that is detected which results in a lower power command, so you may not even know that the slip is happening!  Many times we get comments from customers that it feels like they picked up 50 or more HP after installing a performance transmission.  This is because the upgrades done in the transmission eliminate slip and the engine is not turning down the power.


Click on the designation of your truck for more information and products avaible. 

The eighth digit in the VIN number identifies which engine the truck was built with.

Vehicle Description

8th VIN digit

10th VIN digit

2001 LB7

1

1

2002 LB7

1

2

2003 LB7

1

3

2004 LB7

1

4

2004 LLY

2

4

2005 LLY

2

5

2006 LLY

2

6

2006 LBZ

D

6

2007 LBZ

D

7

 2007 LMM

6

7

 2008 LMM

6

8

 2009 LMM

6

9

 2001-2004

LB7

2004.5-2005

LLY

2006-2007

LLY & LBZ

 2007-2009

LMM


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