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Thread: ST170 coil on plug

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    Racer Decade Plus User robrs2's Avatar

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    ST170 coil on plug

    I have just been checking some coil on plug units and found one that fits the st170 very well. Anyone know of any advantage or disadvantage of using coil on plug set ups?
    Had them on a skyline and the only problem I had was they would get fine dust in them and start to track to earth. Worked fen once cleaned back up.

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    Re: ST170 coil on plug

    Can potentially fire with lower feed voltage and, if supported, be run sequentially which will help emissions (if your bothered about such things?) If running wasted spark and one COP dies, you'll still have 3 pots driving, neater engine bay, if used with iridium plugs they'll fire a really wide range of AFR's with extended plug life - what's not to like?

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    Racer Decade Plus User robrs2's Avatar

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    Re: ST170 coil on plug

    I have a K6 ecu so I can run sequential firing if needed

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