Volvo AWD C70 Forum

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Sparkplugs? C70

What the best spark plug I can install in my c70 HPT?
I've been running OEM for the last 100,000 miles, but the performance seems to quickly decrease after about 15,000 miles. I usually change them every 30,000 as indicated in the owners manual. Any thoughts on a longer lasting, better quality plug?

Thanks.

John.








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Sparkplugs? C70

I got Denso Iridium in my 850 - runs well, and I plan not to change them next few years (if the car lasts that long).







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