Double plats are no longer a requirement with the fine-wire design. That has been eliminated. If you are still using the non-fine wire design, then you need the doubles.
The information in the FAQ is not up to date.
Steve
98 Contour SE Sport 2.5 Duratec ATX The wifey's car
89 Taurus SHO - 246K miles
94 SHO ATX - 190K
1997 F-150 5.4L ATX - The Workhorse 150K.
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