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What would Darth Vader do
Join Date: Feb 2001
Location: Orange, California
Posts: 1,324
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I've been using Valvolines racing 20-50 with regular oil changes. Here in so cal. the weather can be rather irratic , from the 100's and above to 50-60 degress the next day. The 944 can run pretty hot.
Also, if you were to call the local P dealership, they recommend 20-50
Where in So Cal are you located?
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1983 944 (2002 to now)
3-924's (Sold)
1967-912 (Traded)
NEVER put a used water pump in your car...
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