MY 98 NISSAN ALTIMA IS GETTING A replacement with a 78000 MILE ENGINE. MECHANIC IS PLANNING ON PUTTING IN 20/50 OIL VERSUS 30? my bad engine had that heavy weight because it was worn out. WHY would he make choice for such heavy weight? I LIVE IN FLORIDA AND HE CLAIMS ITS BETTER BUT?????
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1998 Nissan Altima Question: RECOMMENDED OIL WEIGHT
Answer #1ZeeTech November 05, 2010, 05:06Master
20W50 is too much for that engine. Even in FL 10W40 is enough for your Nissan.
Use a good quality oil, like Pennzoil and replace it every 3K miles.
Replygailerl, November 06, 2010, 04:10Rookie
what about straight 30 or 40 versus 10W?
ReplyZeeTech, November 06, 2010, 05:51Reply
Answer #2shadetreeauto November 06, 2010, 08:40Master
go with the recommened oil weight from nissan - should be 5-30 or 10-30.i would also use castrol gtx or castrol high mile oil.