02-02-2011, 11:45 PM
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#11 (permalink)
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Base Member
Join Date: Jan 2011
Location: Nebraska
Posts: 21
Drives: 2004 WRX
Rep Power: 16
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Quote:
Originally Posted by Unclemeaty
What about Rotella T Synthetic? I used to run that in all my cars when I found out about it. The price is decent (Walmart) and its mainly designed to be cleaner for use in Diesel trucks. Lots of tq and boost out of those engines...
I have not used it in years, for no good reason though.
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A great oil! Very tough, and meets just about every specification possible for auto manufacturers. I run it in my WRX. High specific output engines love this oil.
Quote:
Originally Posted by Unclemeaty
Rotella is good indeed... but I think I remember now why I stopped using it - because there are not too many viscosities available. I think the thinnest Rotella gets is 5w40 which is likely no good for our cold cars. Perhaps in Florida it would be fine.
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Negative. In oils, the "x" in xw-y, is the weight of the oil when cold. There is some variation in this category, but for the most part, a 5w-30 oil is as thick when cold as a 5w-40. If your talking about viscosity when hot, then yes, the 5w-40 will be a bit thicker than the 5w-30.
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