GM Duramax (2004.5 – 2010)

Description

ApplicationChevy Silverado, GMC Sierra (LLY, LBZ, LMM, LML, LGH)
Part NumberStage 1: 773540-1
Stage 2: 773542-1
DescriptionPowerMax Stage 1 (773540-1)
– Advanced GT-series wheel designs that ensure top performance, lower back pressure and reduced intake and exhaust gas temperatures
– Featuring the Garrett® patented Advanced Variable Nozzle Turbine (AVNTTM) design for increased compressor flow and turbine flow
– Utilizes nine movable vanes which significantly increase turbine efficiency and improve engine performance from idle launch through peak torque
– Patented integral electro-hydraulic actuation and proportional solenoid for infinitely variable control
– Provides up to an estimated 500 HP with no sacrifice to drivability
– Suitable as a performance upgrade or replacement for original equipment
– Outline interchangeable for a perfect fit each and every timePowerMax Stage 2 (773542-1)
– Garrett® model GT4094VA turbocharger
– Featuring the Garrett® patented Advanced Variable Nozzle Turbine (AVNTTM) design for increased compressor flow and turbine flow
– Utilizes nine movable vanes which significantly increase turbine efficiency and improve engine performance from idle launch through peak torque
– Patented integral electro-hydraulic actuation and proportional solenoid for infinitely variable control
– Provides up to an estimated 575 hp with no sacrifice to drivability
– Larger compressor trim (52), plus larger GT40 turbine wheel and vanes vs. Stage I
– Outline interchangeable, for a perfect fit each and every timeThe PowerMaxTM Duramax (2004.5 – 2009) Turbocharger Upgrade Kit includes
– Garrett patented AVNTTM GT3794VA (Stage 1) or GT4094VA (Stage 2) Turbocharger
– Adapter Cable
– Installation Instructions

GM Duramax (2004.5 – 2010)

Compressor Map & Exhaust Flow Chart

Compressor Map

GM Duramax (2004.5 – 2010)

Performance Comparison Sheet

Garrett Stage 1Garrett Stage 2
Horsepower590 HP*630 HP*
* Estimated. Performance results of this product are highly dependent upon your vehicle’s modifications and tuning/calibration. The horsepower numbers represented above are calculated based strictly on choke flow of the compressor map (total turbo capability), which represents the potential flywheel horsepower.

GM Duramax (2004.5 – 2010)

Download Section

ItemLink
Adaptor Cable InstructionsClick to download
Stage 1 Compressor MapClick to download
Stage 2 Compressor MapClick to download
Duramax FlyerClick to download