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- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
Ignition ref/sync sensor kit by Adapt Motorsport for classic Porsche engines. This Sync 2 version combines two Hall effect sensors with a 127mm crank pulley and 36-1 trigger disc for sequential fuel injection and ignition control.
Fits:
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
Check fitment for your specific vehicle, engine casing, distributor gear and engine-management system before ordering.
What This Product Does
The crank-mounted sensor reads the teeth and missing-tooth reference on the 36-1 trigger disc, allowing the ECU to calculate crankshaft position and engine speed. A second sensor within the distributor-location module generates one reference pulse every 720 degrees, identifying the engine cycle so the ECU can distinguish between the compression and exhaust strokes.
Together, these signals provide the engine-position information required by a suitable aftermarket ECU to operate sequential fuel injection and ECU-controlled ignition.
Functions
- Measures crankshaft position and rotational speed.
- Provides a once-per-engine-cycle synchronisation signal.
- Supports sequential injection and ignition strategies.
- Replaces the original distributor body at its mounting location.
- Supplies digital Hall effect signals to a compatible ECU.
Technical Details
- Sync 2 dual-sensor body assembly.
- Two ZF digital Hall effect sensors.
- 127mm crank pulley for parallel-end crankshafts.
- 36-1 crank trigger disc.
- Recommended sensor supply: 8V; operating range stated by the manufacturer as 5–12V.
- Machined aluminium housing with anodised finish, maintenance-free bronze bush and sealed roller bearing.
Kit Contents
- Main two-sensor body assembly.
- Two ZF Hall effect sensors.
- 127mm crank pulley and 36-1 trigger disc.
- Wiring, terminals and connectors for integration with the vehicle wiring loom.
Installation Requirements
The module mounts in the original distributor location and reuses the factory distributor gear. Installation requires wiring to a compatible ECU, adjustment of the sensor air gap and configuration of the reference position within the ECU software.
Because this kit replaces the distributor, the engine must use coil-on-plug ignition or another arrangement with an individually controlled ignition lead for each cylinder. The ECU must control the ignition events.
Why Replacement Matters
A modern sequential engine-management system requires accurate crankshaft speed, crank position and engine-cycle information. This combined trigger and synchronisation arrangement supplies both signals without relying on the original distributor to distribute the ignition spark.
Important Notes
- This kit is not compatible with Porsche 964 or 993 3.6L engine cases; Adapt Motorsport offers a separate sensor solution for those engines.
- On 2.7L magnesium engine cases, a small boss near the crank pulley must be trimmed or die-ground to provide trigger-disc clearance.
- Confirm ECU compatibility, sensor supply voltage, distributor gear suitability and pulley clearance before installation.
FAQs
- Does the kit provide both crank and engine-cycle signals?
Yes. One sensor reads the 36-1 crank trigger while the internal reference sensor produces one pulse every two crankshaft revolutions. - Can the original distributor ignition arrangement be retained?
No. The module occupies the distributor location, so ECU-controlled coil-on-plug or an individual ignition lead and coil arrangement is required. - Does it fit Porsche 964 or 993 3.6L cases?
No. Those engine cases require the separate 964/993 sensor product. - Is modification required on a 2.7L engine?
The manufacturer states that magnesium 2.7L cases require a small crankcase boss to be trimmed for trigger-disc clearance.
Related reference numbers
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AMS9050053KIT
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This kit is comprised of the following items:
- Porsche Boxster 981 2.7L 2012-16
- Porsche Boxster 981 S / GTS 3.4L 2012-16
- Porsche Boxster 718 2.0L Manual (300 Bhp) 2017>>
- Porsche Boxster 718 2.0L PDK (300 Bhp) 2017>>
- Porsche Boxster S 718 2.5L Manual (350 Bhp) 05/2017>>
- Porsche Boxster S 718 2.5L PDK (350 Bhp) 05/2017>>
- Porsche 991.1 Carrera C2 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C2S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 Carrera C4 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C4S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 Turbo 3.8L (520 Bhp) 2014-16
- Porsche 991.1 Turbo S 3.8L (560 Bhp) 2014-16
- Porsche 991.1 R 4.0L (500 Bhp) 2016
- Porsche 991.1 GT3 3.8L (475 Bhp) 2014-16
- Porsche 991.1 GT3 RS 4.0L (500 Bhp) 2015-16
- Porsche 991.2 Carrera 2 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Carrera 2S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Carrera 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Carrera 4S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Cabriolet 2 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Cabriolet 2S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Cabriolet 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Cabriolet 4S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Targa 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Targa 4S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Turbo Coupe 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Coupe 3.8L (580 Bhp) 2016-19
- Porsche 991.2 Turbo Cabriolet 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Cabriolet 3.8L (580 Bhp) 2016-19
- Porsche 991.2 GT3 4.0L (500 Bhp) / GT3 RS 4.0L (520 Bhp) 2017-19
- Porsche Cayman 2.7L 981 2013-16
- Porsche Cayman S / GTS 3.4L 981 2013-16
- Porsche Cayman GT4 3.8L 2015-16
- Porsche Cayman 718 2.0L Manual (300 Bhp)
- Porsche Cayman 718 2.0L PDK (300 Bhp)
- Porsche Cayman S 718 2.5L Manual (350 Bhp)
- Porsche Cayman S 718 2.5L PDK (350 Bhp)
Fits:
Porsche 981 Boxster 2012-16
Porsche 981 SP Boxster Spyder 2016
Porsche 981 Cayman 2012-16
Porsche 981 Cayman GT4 2016
Porsche 718 (982) Boxster 2017>>
Porsche 718 (982) Cayman 2017>>
Porsche 991.1 2012-16
Porsche 991.2 2017>>
Click 'Zoom in' for large parts diagram.
Diagram ref no 19
Related reference numbers
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Electrical plug housing - multiple applications (see below).
Porsche 986 Boxster 1997-04
- Camshaft position sensor
- Throttle valve
- Ignition coil
Porsche 996 Carrera & GT3 1998-05
- Ignition coil
Porsche 964/993 Carrera & Turbo 1994-98
- Crankshaft position sensor
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- Porsche Boxster 981 2.7L 2012-16
- Porsche Boxster 981 S / GTS 3.4L 2012-16
- Porsche Boxster 981 Spyder 3.8L 2016
- Porsche Boxster 718 2.0L Manual (300 Bhp) 2017>>
- Porsche Boxster S 718 2.5L Manual (350 Bhp) 05/2017>>
- Porsche Boxster T 718 2.0L Manual (300 Bhp) 01/2019>>
- Porsche Boxster GTS 718 2.5L Manual (365 Bhp) 05/2017>>
- Porsche Boxster GTS 718 4.0L Manual (400 Bhp) 01/2019>>
- Porsche Boxster Spyder / Spyder RS 718 4.0L 01/2019>>
- Porsche Boxster 25 Years 718 4.0L Manual (400 Bhp) 01/2020>>
- Porsche Cayman 2.7L 981 2013-16
- Porsche Cayman S / GTS 3.4L 981 2013-16
- Porsche Cayman GT4 3.8L 2015-16
- Porsche Cayman 718 2.0L Manual (300 Bhp)
- Porsche Cayman S 718 2.5L Manual (350 Bhp)
- Porsche Cayman T 718 2.0L Manual (300 Bhp)
- Porsche Cayman GTS 718 2.5L Manual (365 Bhp)
- Porsche Cayman GTS 718 4.0L Manual (400 Bhp)
- Porsche Cayman GT4 718 4.0L / GT4 RS 718 4.0L
Fits:
Porsche 981 / 982 (718) Boxster / S 2012>> (Manual Models Only)
Porsche 981 / 982 (718) Cayman / S 2013>> (Manual Models Only)
Porsche 981 Boxster Spyder 3.8L 2016
Porsche 981 Cayman GT4 3.8L 2016
Porsche 982 (718) Spyder / Cayman GT4 4.0L 2019>> (Only For Gearbox Code G8225)
Click 'Zoom in' for large parts diagram.
Diagram ref no 11
Related reference numbers
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9A7905381
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