Thread: Should I Switch to Synthetic?
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  #11  
Old 06-30-2001, 08:51 AM
P.E.Haiges P.E.Haiges is offline
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Join Date: Jan 2000
Location: PA
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If you use the car in 30F degrees and up use 20W50. If car is used below 30F use 5W50. Castrol Syntec is the only maker of 5W50 , I think. P E H
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