ENGINE OIL SELECTION

2003 Holden Calais

Tiny

Ashley Milliken

September, 29, 2011 AT 2:24 AM

Can I use a 5/40 Castrol Oil in the car , Currently running a 5/30 oil

FOUND 1156 RELATED QUESTIONS

98 Leaking/burning Oil

13 ANSWERS
4 IMAGES

Uses Oil

10 ANSWERS

1 Answer

Tiny

ProAutoTech

September, 29, 2011 AT 2:32 AM

It will not ruin your car, but hopefully you would run the 40 in the summer and the 30 in the winter.

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