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  1. wake4me

    High Detergent Oil Only in Volvo?

    I did a search, but could not find a thread on this question for Volvo's. Can anyone tell me why my local Four Winns dealer is telling me that I have to run High Detergent (HD) Oil in my Volvo engine? He stated that it is the only choice... Come on? Can anyone verify this or provide any...
  2. wake4me

    2 Questions on Volvo 5.7 350

    Hello. New here and think this is great! I have two questions to ask the experts of iboats forums on a Cabureted Volvo 5.7L 350 that sits in a 1998 Four Winns Horizon RX. First, is it better to remove the thermostat from the engine or is it frowned upon? I would think that it would help to...
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