I have an 850 GLT non-turbo. The owners manual specifies the use of Volvo spark plugs but I have also checked with Bosch and they specify FR7DC. When I compared them to the Volvo plugs they were a bit longer in length and had a single electrode rathter than the triode on the Volvo plug. Can anyone advise me if the Bosch plugs are o.k. to use instead of the Volvo triode plugs... I am concerned about their length more than I am about the single electrode configuration.
Thanks for any and all advice!
OnlyVolvo
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