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Old 11-19-2002, 11:05 AM   #1
metoo
Scooby Guru
 
Member#: 4764
Join Date: Mar 2001
Chapter/Region: TXIC
Location: Houston
Vehicle:
2004 STi sold :(
forizzle

Default 5w-30 vs. 10w-30

South Texas weather doesn't get much much below 35 degrees or much over 100. How much variance do we really need in our oil? If I understand correctly. Motor oil is like Cold medicine. If all you have is a runny nose, don't get the medicine that covers runny nose, sneezing, couching, the runs, ear drainage, and in-grown toenail. Get the one for runny nose only.

That said, would 10w-30 be a better choice of synthetic? What do you think.
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Old 11-19-2002, 11:08 AM   #2
Sam2
Scooby Specialist
 
Member#: 15265
Join Date: Feb 2002
Location: Austin Texas
Vehicle:
2002 WRX Wagon
WR Blue

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No. 5-30W is good to go for us all year.
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Old 11-19-2002, 11:21 AM   #3
fusilier
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Member#: 26352
Join Date: Oct 2002
Location: Austin Texas
Vehicle:
83 Audi Rally
Audi Sport

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I run 5W30 regular in my UrQuattro. nothing special there. 10W is a bit thick on cold startup and I suspect not good for the turbo bearings for the first few minutes.

In my rally car, I run 0W30 Mobil 1. 0 weight is just better on the tighter tolerances and race cam when the engine is cold. I also like the idea of high flowing cold oil for my turbo immediately upon startup. This oil goes to 30 weight once hot.

As always change often and allow your turbo to cool off after a hot run. Don't want to cook off the oil in the carriage leaving sludge.
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