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People make spark plugs out of the craziest elements, like
. Iridium probably makes a certain amount of sense, because it's likely to survive a long time under harsh conditions. Whether it's much advantage over platinum I wouldn't know.
interesting article about different elements in spark plugs
Amusingly, I purchased a 2004 model Toyota Sienna minivan (kids, you know) and the owners manual is very firm that one must use only iridium spark plugs in this vehicle. What, platinum is not good enough?
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31 July, 2002
11 August, 2007