all 3 coils fire at once?

chilli

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Nov 18, 2005
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In another thread I was told in 98 and 99, you could change the plug caps around, because all 3 coils throw the spark at the same time.

How can this even be? I have thought about it and I just cant see it. Wouldnt be the 1st time if Im wrong, but Ive never heard of this?

Guys?
 
thats the way it is. every coil fires every 120 degrees of crank rotation. only the piston at tdc lights the mixture ,the other two spark but do nothing because one is 120 degrees past tdc and the other is at 120degrees btdc.it's called a waste spark ign system for that reason.they changed it on the 2000 and up ones to the ign that only fires each coil when it's piston is at tdc ,this allows for a much hotter spark at the plug because the cdi only powers the coil that needs to spark in sted of having to power all three every 120 degrees.hope this helps.
 
Here is how you test this out. You need 3 buddies, 3 cases of beer, and some smooth talking. get all 3 of them drunk, and get them to each stick a finger in a boot. Give it a pull and see if all 3 pee there pants. LOL Or believe us when we say they all 3 fire. I like the first way batter. Maxdlx
 


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