Thread: WHAT OIL TO USE
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Old 09-15-2009, 12:36 PM
  #3  
chevyfireball
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Join Date: Dec 2005
Location: Napier, New Zealand
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I used to use 10w/30 but it was so thin my dry sump pump was leaking around the front seal.
I now use 25w/50 race oil. Some say I'll lose a little hp but I don't seem to.
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