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Old 01-20-2001, 10:36 AM
stevebfl stevebfl is offline
Join Date: Mar 2000
Location: Gainesville FL
Posts: 6,844
The difference between the W9DCO and W9DC is in the diameter of the central electrode not the heat range. The heat range is gauged by the second digit "9". I think the plug would be colder if it were an "8". In other words W8DCO.
Steve Brotherton
Continental Imports
Gainesville FL
Bosch Master, ASE Master, L1
33 years MB technician
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