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Cadillac CTS V
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196 Posts
Discussion Starter #1
So after not having my V for 3 months, I figured I would change the oil, etc.
My problem I got Mobile 1 10W30 instead of 5W30. Will it be okay? Whats the difference? Please help!
 

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Premium Member
2005 CTS-V
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8,363 Posts
The owners manual states "If temperatures are above 0 degrees F (-18 degrees C) you may substitute 10W-30 with the Starburst symbol."
I run 10W-30 all the time here in Houston.
 

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Cadillac
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292 Posts
Dont sweat it. You will be fine all summer long. I once ran 5 qts of M1 15-50 and a quart of piss in a hi performance car (not the V) for a day. Not recomending the urine, it did nothing for performance. Had a great time that day though,,,,,,,
 
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