MerloZ Posted April 5, 2018 Share Posted April 5, 2018 How much rotational play is normal on the l28et oil pump shaft? Absolutely none or a little bit. I have a sync loss error reeking havoc and i think it might be that because my distributor rotor can rotate back and forth a hair. It moves about 1 mm of rotation back and forth when looking thru the holes in the DIY trigger wheel. If thats too much what woul be the fix. New gear and shaft? Or maybe some shims? Quote Link to comment Share on other sites More sharing options...
seattlejester Posted April 5, 2018 Share Posted April 5, 2018 I believe the FSM has the lash value. If you are using the oil shaft and talking about sync does that mean you are using an optical disc on some type of ECM? You may have to play with the potentiometers to tune the gain and threshold values then. I really didn't like the optical wheel tuning. HES made things much simpler. Quote Link to comment Share on other sites More sharing options...
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