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Old 03-08-2000, 08:04 AM
Fred Prickett
Posts: n/a
For what it's worth WRT this subject, it was pointed out to me by a master mechanic long ago that plats more often than not can not match the correct heat range of the OEM copper core plug that the engine was originally designed to use. Just another nuance to consider. So if your engine was originally designed to use plats, by all means do so. Otherwise, I would steer clear of them.

Fred Prickett
85 500 SEL, 241,500 mi
90 5.0 Mustang LX conv.
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