TwinTurbo.NET: Nissan 300ZX forum - Not that there was any science behind this...
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Subject Not that there was any science behind this...
     
Posted by CameronSF on July 18, 2016 at 9:53 AM
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In Reply To Dump the 5w-50 and go with a 10w-30 or 40 (n/m) posted by DAYTONAZ on July 17, 2016 at 12:28 PM
     
Message ...but Rob at Z Car Garage suggests 15w/50 for higher mileage Z32's. He sees better oil pressure and performance in these cases. I moved from a 10w/40 to this higher grade for track days and saw less pressure drop in cornering and my car is leaking less from the half moon and valve cover gaskets which are old and in need of replacement.

     
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