Thoughts on resistor plug caps.

[Jdfiddleman]

I am looking for some opinions for a 79 trailfire 440. I know that originally the snowmobile came with resistor caps, and was recommended to use resistor plugs. I already run non resistor plugs, because they do give me a better spark, but it has come time for me to replace my caps. So... I am very tempted to try regular non-resistor caps. I know that back in the 70s lots of sled manufacturers recommend resistor plugs just so you wouldn't interupt your neighbors TV program, but I also know that most people will tell you that a CDI ignition needs some sore of resistor as not to damage internal components. Does anyone out there have actual experience with running a CDI by running both non resistor plugs and caps??? Like I said, this is very tempting, I could order new resistor caps and wait for them.... Or get caps from my work , install them today and ride tonight.... Thoughts appreciated.

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[Jdfiddleman]

Well I just did it and put in the non-resistor caps, runs great in the shop, I guess I'll have to wait for snow to run a long ride and see how it goes. I guess if my CDI goes within the next year or so I can blame it on that. Either way I'm glad it runs good...for now.

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[harleysportster]

I am looking for some opinions for a 79 trailfire 440. I know that originally the snowmobile came with resistor caps, and was recommended to use resistor plugs. I already run non resistor plugs, because they do give me a better spark, but it has come time for me to replace my caps. So... I am very tempted to try regular non-resistor caps. I know that back in the 70s lots of sled manufacturers recommend resistor plugs just so you wouldn't interupt your neighbors TV program, but I also know that most people will tell you that a CDI ignition needs some sore of resistor as not to damage internal components. Does anyone out there have actual experience with running a CDI by running both non resistor plugs and caps??? Like I said, this is very tempting, I could order new resistor caps and wait for them.... Or get caps from my work , install them today and ride tonight.... Thoughts appreciated.

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You only need one or the other. By running both resistor caps and resistor plugs, you deminish the spark intenisty.



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