Volvo AWD 850 Forum

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Spark Plug--FR 6 DC or FR 7 DC 850

7's are slightly hotter than 6's. They will burn cleaner and give a little better starting and everday drivability. 6's are a little on the cool side unless you plan on having your foot in it all the time.






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New Spark Plug--FR 6 DC or FR 7 DC [850]
posted by  pgao  on Wed Mar 20 06:32 CST 2002 >


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