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Iridium spark plugs in a 745t 700

posted by  Steve on  Sun Feb 10 12:35 CST 2013
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last visit: Fri Oct 24 07:16 CST 2014
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The real advantage of iridium plugs is long life and no gap erosion. The spark behavior is probably identical to copper plugs, but the iridium material stays in gap for the full 100,000 miles. I have removed mine to check them and there is no erosion. Anyone replacing older copper plugs with eroded gaps with any new plug will experience performance improvements.
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New Iridium spark plugs in a 745t [700]
posted by  rjritterjr  on Sun Feb 10 07:39 CST 2013 >


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