skirkland1980 Posted February 16, 2013 Share Posted February 16, 2013 (edited) The crank angle sensor is inside the distributor. Your 81 turbo distributor will work. I'm wrong here Edited February 16, 2013 by skirkland1980 Quote Link to comment Share on other sites More sharing options...
destro79 Posted February 16, 2013 Author Share Posted February 16, 2013 i have read that the 81 turbo distributor doesn't have a crank sensor inside it. Quote Link to comment Share on other sites More sharing options...
skirkland1980 Posted February 16, 2013 Share Posted February 16, 2013 It does. Do you have some pics of yours? Quote Link to comment Share on other sites More sharing options...
destro79 Posted February 16, 2013 Author Share Posted February 16, 2013 no but can take some later i had bought it from datsun_z240 last month, but when i looked at it i did not see any place for a connector on it, and i keep reading that it has a external cas that reads off the crank pulley Quote Link to comment Share on other sites More sharing options...
destro79 Posted February 16, 2013 Author Share Posted February 16, 2013 found this posted by cgsheen But, straighten this out first:- You have a 1981 L28ET? (1981 280ZX Turbo engine)- Is has the EXTERNAL Crank Angle Sensor bolted to the front drivers side of the engine and wiring that goes up between the dizzy and t-stat housing (round 4-prong connector)?- Your ECCS (ECU-to-engine) harness is from a 1981 280ZXT and it has a dropping resistor pack?- Your ECU is from a 1981 280ZXT?- Are you sure the oil pump is stock 1981? (since the dizzy isn't there, post a picture of the "hole" it goes in - to make sure someone else hasn't already modded the engine to accept an '82-'83 distributor)If it's ALL stock 1981, then you need an '81 dizzy (which is essentially a body, cap and rotor - it doesn't do anything except distribute spark. Doesn't have any other electronics as the CAS is external and the ECU controls the Ignitor/Coil on this thread http://forums.hybridz.org/topic/108019-distributor-question-for-81-l28et/?hl=turbo+distributor&do=findComment&comment=1010381 Quote Link to comment Share on other sites More sharing options...
skirkland1980 Posted February 16, 2013 Share Posted February 16, 2013 Yes, that's right. It will be easier not to use that distributor Quote Link to comment Share on other sites More sharing options...
destro79 Posted February 16, 2013 Author Share Posted February 16, 2013 so if i read your reply correctly it would be easier to install a turbo 82-83 dizzy instead of getting the 81 components i still need, (and also from what i read from continuing to read the rest of the forum) Quote Link to comment Share on other sites More sharing options...
skirkland1980 Posted February 16, 2013 Share Posted February 16, 2013 The turbo dizzy works well with megasquirt. I'm using one with my 83 turbo. I'm also using an 83 na dizzy in a 83 na with megasquirt which I welded to let ms control spark. Apparently there were a lot of changes that I was unaware of, I apologize for the confusion. Quote Link to comment Share on other sites More sharing options...
destro79 Posted February 16, 2013 Author Share Posted February 16, 2013 its OK that is why i am trying to find as much info as i can to help decide what the best path i should take before i get anymore parts for spark and timing control. Quote Link to comment Share on other sites More sharing options...
Tony D Posted February 18, 2013 Share Posted February 18, 2013 The 81 components give the identical signal to the MS as an 82/83. To put an 82/83 CAS on your 81 L28ET, drop the distributor drive spindle out the bottom of the engine by removing the oil pump. Install 82/83 drive per FSM Directions. Read the Megasquirt forum here, it all pretty well covers these points. Quote Link to comment Share on other sites More sharing options...
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