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INSTALLATION GUIDE FOR GARRETT
GVW EXTERNAL WASTEGATES
GARRETT VENT | EXTERNAL WASTEGATES
High flowing external wastegates for turbocharged racing and performance engines
G
arrett Vent | External Wastegates regulate turbocharger
shaft speed by venting exhaust gas around the turbine
stage of the turbocharger. CFD optimized design maximizes
flow and delivers optimum boost control. Advanced thermal
optimization increases durability of the diaphragm. The cap
design makes spring changes and serviceability of the entire
GVW lineup easier and more reliable to perform.
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Summarization of Contents
Introduction to Garrett GVW External Wastegates
GARRETT VENT | EXTERNAL WASTEGATES Overview
High flowing external wastegates for turbocharged racing and performance engines.
IMPORTANT INFORMATION AND WARRANTY
Limited Warranty Details
Details warranty terms, claims process, and limitations for Garrett Turbocharger Products.
Installation Recommendation
Advises professional installation and careful reading of instructions before starting the process.
GVW WASTEGATE FEATURES
Mechanical and Material Data
Provides detailed specifications for valve diameter, mass, pressure, and materials used in GVW wastegates.
Product Description and Capabilities
Highlights CFD optimization, material ratings, and diaphragm technology for durability and performance.
GVW WASTEGATE LIFESPAN AND THERMAL DATA
Kit Contents and Components
Lists all parts included in the wastegate kit with corresponding part numbers and a visual diagram.
GVW WASTEGATE PLACEMENT SUGGESTIONS
Recommended vs. Not Recommended Orientations
Illustrates optimal and detrimental wastegate mounting angles on the exhaust manifold for performance.
CHANGING SPRINGS
Spring Pressure Chart and Guidance
Details spring settings for different PSI/Bar configurations and notes on proper spring seating.
Safety Precautions for Spring Changes
Warns about spring pressure hazards and recommends eye protection and professional help.
WASTEGATE PORT FITTINGS AND DIAGRAMS
Water-Cooling and Air Port Configurations
Explains the water-cooling circuit, air ports, and included fittings with their identification.
Wastegate Flange Dimensions
Provides detailed dimensional drawings for GVW-40, GVW-45, and GVW-50 wastegate flanges.
REPLACING THE DIAPHRAGM
Diaphragm Replacement Procedure
Step-by-step guide for removing and installing the diaphragm, including torque specifications.
REPLACING THE VALVE AND BUSHING
Valve and Bushing Replacement Procedure
Detailed steps for replacing the valve and bushing, including torque values for fasteners.
BOOST CONTROL CONFIGURATIONS
Spring Pressure Setup
Explains connecting pressure source to wastegate ports for basic spring pressure control.
Manual Boost Controller Setup
Details connecting a manual boost controller to the wastegate for adjustable boost control.
ADVANCED BOOST CONTROL METHODS
Single-Port Connection
Describes a single-port setup using a solenoid for boost control, detailing port assignments.
Two-Port Connection Methods
Explains two-port setups for high boost and high back pressure systems using solenoids.
SPARE PARTS GUIDE AND TORQUE SPECIFICATIONS
GVW Replacement Part Kits
Illustrates available replacement part kits with diagrams for easy identification of components.
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