Throttle Body / Plenum Chamber

Fits:
Porsche 964 - 1989 to 1993
Porsche 993 - 1994 to 1998

Product Overview:
Transform your Porsche 964's performance with this sleek and high-tech intake kit designed for Porsche 964/993. This innovation marks a transition from the typical accelerator cable-based throttle to an electronic "drive by wire" throttle body. This advanced change streamlines the intake system by eliminating unnecessary components, resulting in a cleaner engine bay appearance. 

This modification offers a more drivable setup for highly tuned engines while incorporating the precision of a drive by wire (DBW) throttle.

This enhanced drivability is a key feature for a tuned aircooled engine and allows for smooth idle control with a cold as well as a hot engine. It simply makes the engine feel more modern as compared to the old ITB (individual throttle bodies) setups lacking in mid range torque and difficulties with the idle control.

Precision-Engineered Components:

• 82mm Throttle Body with Reinforced Industrial PA12 Manifold
• CNC-Milled Intake Manifold Stacks Crafted from Billet Aluminium
• Included Rubber Boots and Clamps for Easy Installation
• Islandworks Resonance Tube with Valve and Solenoid, Manufactured from the Same PA12 Material
• Integrated Manifold Pressure and Temperature Sensors
• Essential Vacuum Lines for Optimal Performance

Kit Includes
Complete intake with all the parts seen in the image manufactured from modified PA12 using an industrial process. This intake plenum has been optimized to fit on a Porsche 964 or Porsche 993 and includes all vacuum ports for both brake vacuum and to maneuver the resonance flap.

The following parts will be reused from the 964 intake:

• Rubber boots and clamps
• Vacuum reservoir
• The aluminum or plastic plenums
• Resonance flap
• Actuator and shaft

Note: the aluminum or plastic intake plenum is not included in the kit and neither are any of the items specifically listed as excluded above.

GT3 manifold electronic throttle conversion kit by Adapt Motorsport for naturally turbocharged, air-cooled Porsche 911 engines. Configurations are offered for three-bolt 964 turbo and 993 turbo applications.

Fits

• Porsche 964 (911) TURBO 3.3L 1991-93
• Porsche 964 (911) TURBO 3.6L 1991-93
• Porsche 993 (911) TURBO S 1994-97

What This Product Does

This conversion package uses large-volume 996 GT3-style intake hardware as the basis of an electronic throttle system for classic Porsche flat-six turbocharged engines. It combines the throttle body, fuel rails, intake adapters, resonance-flap hardware, pressure and temperature sensing, vacuum controls and associated fittings required to assemble the intake system.

Functions

• Controls intake airflow through a Bosch electronic throttle body
• Adapts GT3-style intake hardware to compatible air-cooled Porsche cylinder heads
• Supports long, medium or short EV14-style fuel injectors through configurable fuel-rail spacers
• Operates the resonance flap using a vacuum canister, solenoid and check valve
• Provides connections for brake-booster vacuum, idle-air bypass and other vacuum requirements
• Measures manifold pressure and intake-air temperature through a Bosch T-MAP sensor

Technical Details

• Based around 996 GT3-style intake manifolds with 49mm ports; the manufacturer lists 43mm for a standard 964 manifold and 39mm for a 3.2 manifold
• Bosch 82mm electronic throttle body supplied with connector kit
• Bosch 1.15-bar T-MAP sensor supplied as standard; a 3.0-bar version is offered as an option
• Three-bolt adapters are available with 42mm or 44mm ports for 964 and 993 turbo engines
• Adapt Motorsport manifolds are cast aluminium, while the resonance flap and intake T-piece are CNC-machined and black anodised

Base Kit Contents

• Adapt Motorsport high-flow intake T-piece with vacuum and T-MAP sensor ports
• Fuel-rail kit with fittings
• Bosch 82mm electronic throttle body and connector kit
• CNC-machined resonance-flap assembly with sealed roller bearings
• Bosch temperature and pressure sensor with connector kit
• Throttle, resonance-flap and intake-adapter sleeves with hose clamps
• Vacuum canister, solenoid, check valve, connector and hoses
• Required fasteners and fittings

Configuration Information

Versions are available with or without a pair of Adapt Motorsport GT3 intake manifolds. Select the correct cylinder-head bolt pattern, adapter port diameter and manifold configuration for the engine. The optional cast-aluminium manifolds are designed around the shorter cylinder spacing of air-cooled Porsche 911 engines and include vacuum ports and discreet mounting points for wiring and control components.

FAQs

• Is the electronic throttle body included? Yes. Every base kit includes a Bosch 82mm electronic throttle body and its connector kit.
• Are GT3 intake manifolds supplied? This depends on the chosen configuration. Versions are available both with and without a pair of Adapt Motorsport manifolds.
• Which injector lengths are supported? The configurable fuel-rail spacers accommodate long, medium and short EV14-style injectors.
• Which cylinder-head patterns are covered? Two-bolt configurations suit 2.7, 3.0 and 3.2 engines, while three-bolt configurations are intended for 964 and 993 3.6 engines.

Check fitment for your specific vehicle, engine, cylinder-head pattern and required port diameter before ordering.