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watse spark problems


Hamish Sheldon
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Hi, Ive got a waste spark set up on my engine run by a g4 atom, its a first time install, and ive got it running on 2 cylinders only but it runs lol. problem being that one coil wont fire when the engine is running as ive got no signal to my timing light, but when i proform an ignition test both coils run fine any thoughts?

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Ignition mode is set to wasted spark and not distributor?

Also check the trigger configuration is correct in that the sync location is correct.

If you had the sync set to cam but it was actually a crank sync this could cause this.

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After more tinkering ive got abit of a suspect coil but that dosent appear to have been the problem, Ive now got it running on another pair of coils and its the same. its like cylinders 2 and 3 are timed wrong, Ive got 1 timed correctly and its only 1 and 4 that are doing anything. I changed from waste spark to direct and ran the timing light again to make sure i wasnt 180 out and actualy firing on 4 and throwing out the sequential injection but its timed for number 1 cylinder. Im using a nissan 360 opto as the trigger and i can manualy turn it 360 degress and lock it anywhere i want, ive pulled the dust cap off the back of it and set the crank up to my base timing at 12 degrees btdc on cylinder 1 and marked the cas shaft to the housing as another referance i can look at with the timing light. But when looking with the light and the engine is running on its 2 cylinders the cas marks are 180 out. any positive input on other things to cheak would be much appreciated

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The other bizzare thing is that when ive changed from waste spark to direct to try work out if im set up to fire on 1 not 4 it started when i cranked it and ran just the same as on waste spark. my ignition outputs are channel 1 to ignitor 1 and channel 2 to ignitor 2. 3 and 4 arnt wired to anything.

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