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Anyone try stick coils?

Carter Turk

Forum Sage
Charter Member
Wondering if anyone has tried this with a modern bike coil swap? Saw an article in PS a while back. Pics would be cool too.
 
I looked at it, and really there's no reason why not. It's been done plenty of times, the difficulty is finding a cheap, easily available junkyard stick coil that's a good electrical match to your ignitor and is a good weatherproof solution, given the cheapest and most abundant normally live in protected conditions in a car engine bay.
 
I looked at it, and really there's no reason why not. It's been done plenty of times, the difficulty is finding a cheap, easily available junkyard stick coil that's a good electrical match to your ignitor and is a good weatherproof solution, given the cheapest and most abundant normally live in protected conditions in a car engine bay.
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The article mentioned modern motorcycle coils for the swap. #10 thread in the link, had a good explanation of the possible advantages in the swap.
 
Coil on plug should work just fine if you get the correct unit with the right resistance. The only issue I see is the inherent length of the coils. In normal applications the top of the coil is supported by the head. In our application there would be no support if just plugged onto the spark plug. I would think that some form of support structure would have to be fabricated in order to keep the coils stable. Not a huge issue. Just something to consider.
 
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The article mentioned modern motorcycle coils for the swap. #10 thread in the link, had a good explanation of the possible advantages in the swap.
Post 10 sums it up quite well, I agree.
Last time I looked the bike coils were stupid money, and that's why I was investigating car ones.
Things change, of course, and if you find short-bodied ones that will sit properly on an air-cooled lump without straining the plug body, and cheap enough, go for it.
 
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