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Summary of change:
Subaru JDM/Euro EJ207 CarInfo: Subaru Impreza STI JDM/EURO 2001-2005 (265-280)standard pink topfeed injectors 550cc Cop ignition coils firing order 1-3-2-4 the engine is a '''boxer engine''', there for there is right and left cyl 1+3 is right side cyl 2+4 is left side 1:Crank trigger Vr (36-2-2-2) http://img.photobucket.com/albums/v41/Denmark/crankwheel1modi.jpg 2:Cam trigger Vr left '''cam(2pulse)none moving''' http://img.photobucket.com/albums/v41/Denmark/a1463ee5.jpg This is the trigger setup to get the engine running sekventiel http://img.photobucket.com/albums/v41/Denmark/cf70e38a.jpg 3:Vvti intake cam left side Vr sensor (boxer)4 spots/90degrees moves when avcs is controlled ** any idea at which primtrig tooth does it cross the 0V line (negative-going edge) ? http://img.photobucket.com/albums/v41/Denmark/f4480a56.jpg 4:Vvti intake cam right side Vr sensor (boxer)4 spots/90degrees moves when avcs is controlled ** any idea at which primtrig tooth does it cross the 0V line (negative-going edge) ? http://img.photobucket.com/albums/v41/Denmark/558e660f.jpg '''Summary''': * Triggers 3 and 4 seem to be unsuitable for secondary trigger camsync, (because they are indistiguishable in both crankshaft rotations - unlike the sane implementations in BMW, Honda, Suzuki, Ford, ...). * The cam sensor is good for secondary trigger camsync, but not moving, so useless for camshaft-angle control * in other words "the good trigger doesn't move with camshaft actuation, the moving ones are not good pattern for syncing". if I understand right, '''apparent Options''' * control only the left (or right) intake cam * wasted spark (so camsync is not essential), than Trigger 3 and 4 could be used: a bit unusual, needs testing. * grind 1-1 tooth from Trigger3 and Trigger4 to make the 2 crankrots distinguishable * Use Trigger3 for third trigger ** and Trigger4 via VR=>HALL adapter, without divider and wheelspeed2 input (without heavy filtering) for 4th trigger. This requires "4th trigger input instead of 2nd wheelspeed" firmware mod. If there is sufficient demand (like 3+ dozens boxes at least), given the unreasonable this might be a good option. More to come,Skassa
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