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List of Options for Crank and Cam Position Sensors
cockerstar posted a topic in MegaSquirtI picked up a MS3x unit with wiring harnesses that was previously running a 1JZ in a Supra to convert my L28 over from carbs to EFI. I'm still deep in the learning phase, and am currently searching out all of my options for cam and crank sensors. I want this thread to serve as a list of what I've found. Your input is welcome and appreciated. Crank: 1982-83 280ZXT distributor with DIYautotune wheel Purchase trigger wheel only, $28 Pros: - Provides both crank and cam signals for sequential injection - DIYautotune support and documentation (installation and wiring guide) - Widely available as remanufactured parts (currently ~$200) - Shaft is available new (currently ~$90) as Nissan p/n 15040-P8000, "SPINDLE ASSY-OIL PUMP DRIVE", Lookup code 15040 Cons: - Requires specific oil pump shaft, which requires pulling timing cover/damper oil pump to install - Less accurate at high RPM due to gear lash (is this a valid concern?), but is not of t concern unless gears are significantly worn. - Used units are getting increasingly hard to find Austin Hoke bolt-in kit Development pics Purchase kit without sensor, $215 Purchase sensor, $37.50 Pros: - Crank mounted trigger wheel gives accurate signal throughout RPM range - Well-designed kit with straightforward documentation - Fit and finish look great - Uses commonly used sensor - Includes distributor block off plate Cons: - Must use Euro damper which is getting harder to find (Austin is currently developing a new one for the L24 damper) - Cost Drilling flywheel for hall sensor Purchase hall sensor, $43 Will add example install links Pros: - Cheap - Accurate - Sensor is tucked away nicely Cons: - Requires pulling flywheel to modify - May require balancing flywheel after modification Custom mounting of universal or OEM trigger wheel Purchase universal wheel, $29 Pros: - Can control details of mounting (two threaded holes on front of damper looks easiest, inspired by this post by BRAAP) - Cheap Cons: - Costly in time Top End Performance Trigger Wheel fab Service, $200+ http://www.racetep.com/automaker/datsun-z/z-car-triple-sidedraft-weber-carb-and-fuel-injection-conversions.html]Info page, scroll to bottom Pros: - Can send in your current pulley and they will fab a kit for it - Can likely control some details since each one is custom Cons: - Possible wait time? Each looks built to order BJH Dynamics / Robello Racing BJH Datdun/Nissan Trigger Wheels Robello Datsun Parts Page Pros: - Quality looks top notch Cons: - Fits their specific damper ($$$) - Very expensive - Looks like trigger wheel only without a bracket for the sensor Cam: Jeep 4.0 CAS in stock distributor location Installation writeup by jacky4566 Pros: - Simple modification for install - Easy to install/remove - Sensor is cheap and widely available both new, used, and remanufactured Cons: - Uses distributor location, so crank signal must come from another spot I'll continue to update this post with more info as I come across it