Mechanics

MOTOR OIL

1999 Nissan Maxima

Engine Performance problem
1999 Nissan Maxima 6 cyl Front Wheel Drive Manual 108780 miles

I have a 1999 Nissan Maxima which runs great. I rececently started commuting five days per week, 180 miles round trip, at highway speeds, in the hot South Florida sun. Which is the best grade motor oil for my engine?
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Big1lumpy
June 11, 2010.



5W-30 or 10W-30

Bluelightnin6
Jun 11, 2010.