Diesel Addiction specializes in high performance builds for the Allison 1000 series transmissions found in GM Duramax vehicles. From shift kits to standard SunCoast Stage 3 and Stage 4 builds up to the custom all out race builds that are in our 10 second trucks – Diesel Addiction has you covered. With converters from SunCoast and Precision Industries we will get you setup with the build and converter combo you need to reach your goals.
Installed prices:
Allison SunCoast Stage 3 build with Precision Industries ML series converter: ................Special $3600
6 Speed Allison SunCoast Stage 4 or GMax build with Precision Industries ML series converter: Special $4300
Installed prices:
Allison SunCoast Stage 3 build with Precision Industries ML series converter: ................Special $3600
6 Speed Allison SunCoast Stage 4 or GMax build with Precision Industries ML series converter: Special $4300
5 Speed Allison SunCoast Stage 4 or GMax build with Precision Industries ML series converter: Special $4450
Installed means: in the truck, full of Schaeffer’s Synthetic ATF, test driven, ready to be driven and broken in. Taxes, core and shipping charges are all included. This is truly an out the door price. Additional options available such as transfer case brace, deep pan, billet shafts, ect.
Call for quotes on custom builds for trucks with over 800 rwhp.
EFI Live Custom Tuning:

Diesel Addiction offers custom tuning solutions for GM Duramax vehicles, including 2 and 5 position switch on the fly tuning:
For local tuning or ECMs that are sent in, without hardware purchase
Diesel Addiction also installs everything we sell - from intakes and exhausts to custom turbo setups and engine builds. We also do all types of vehicle maintenance from fluid changes to injector replacement. Call us for a quote and to schedule an appointment.
EFI Live Custom Tuning:
Diesel Addiction offers custom tuning solutions for GM Duramax vehicles, including 2 and 5 position switch on the fly tuning:
- Economy tunes capable of 24+ mpg
- Tow tunes for added pulling power and turbo-brake function with safe EGTs
- Performance tunes that are safe on stock transmissions
- Race and sled pulling tunes for trucks with built transmissions - up to 550+ dyno and track proven rwhp with only basic bolt-ons
- Custom tunes for trucks with any combination of modifications – built engines, big injectors, big single or compound turbos, nitrous, ect. – get your truck running to it’s full potential. Tuning can be done here at the shop and at our local ¼ mile track or remotely via email for customers out of the area who buy the EFI Live tuning hardware or send in their ECM.
For local tuning or ECMs that are sent in, without hardware purchase
- Single stock transmission safe tune - $350
- 2 position switch installed with 2 stock transmission safe tunes - $475
- 5 position switch installed with 5 stock transmission safe tunes - $575
- Single all out race tune for built trans - $400
- 2 position switch installed with all out race tune - $600
- 5 position switch installed with all out race tune - $700
- Custom tunes for trucks with more modifications - call for quotes
Diesel Addiction also installs everything we sell - from intakes and exhausts to custom turbo setups and engine builds. We also do all types of vehicle maintenance from fluid changes to injector replacement. Call us for a quote and to schedule an appointment.