FIS Posted October 3, 2014 Report Share Posted October 3, 2014 With the latest software version it allows to fit i88 in to odd fire engines. I have 4 stroke V10 planned to run wasted spark, left bank cylinder number is 2,4,6,8,10 right is 1,3,5,7,9, firing order 1-2,7-8,5-6,3-4,9-10, its unequal firing 90 degree then 54 degree then 90 then 54 etc.. I wonder what is the best crank trigger for this application. Can I use the available 24 or 60-2 tooth trigger disc or should make specific disc that has multiplier by 5 tooth. Quote Link to comment Share on other sites More sharing options...
Guest Posted October 6, 2014 Report Share Posted October 6, 2014 With the 'Odd fire wasted spark' ignition mode the ECU needs to know where the engine is at in its 720 degree cycle. This means that it requires trigger 1 to read a crank position signal and trigger 2 to read a cam position signal. For the crankshaft position the number of teeth needs to be able to divide into 360 degrees evenly. 60-2 or 24 tooth patterns would work fine. For the cam position the ECU will require a cam 1x or cam level type signal. What is the engine you are trying to run? Scott Quote Link to comment Share on other sites More sharing options...
FIS Posted October 7, 2014 Author Report Share Posted October 7, 2014 Hi Scott, Thank you for the assistance It is Nissan RF10 engine converted to gas engine. Quote Link to comment Share on other sites More sharing options...
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