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Copper or platinum plugs? 850

posted by  austi012 on  Sat Apr 7 19:33 CST 2012
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last visit: Sat Jun 9 05:38 CST 2012
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I learned long ago never to run platinum plugs in Volvo 240/740's. Guaranteed to make them run like crap. (Applies to older Porsches, too). Now I own an 850.

what's the consensus? Platinum or copper?

tia

Thaddeus








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    Copper or platinum plugs? 850

    posted by  tmannian on  Sat Apr 7 23:11 CST 2012
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    last visit: Sat Sep 20 10:31 CST 2014
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    that depends on if you've got a turbo or not. If you have the turbo, go copper. If the NA, I went with Bosch +4's (platinum) and have been quite happy. Also, they were on sale (plue MIR) making them less expensive than copper. I don't know if they're that much better to warrant paying regular price.
    --
    If you're not driving it "like its stolen," are you really driving?








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    Copper or platinum plugs? 850

    posted by  Erwin on  Sat Apr 7 22:32 CST 2012
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    Standard Bosch copper plug, single electrode. Both in my 855T and 945T.

    Good for about 30,000 miles. Runs perfectly, about $2 each.

    Erwin








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    Copper or platinum plugs? 850

    posted by  KlausC on  Sat Apr 7 20:16 CST 2012
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    Your NA has the 3 prong plugs. I prefer copper core because they last longer, but platinum core work also. Just don't get multiprong titanium, the tips fall off.

    Klaus
    --
    Volvos should be saved from the junk yards, not donated.







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