Thread: Oil Weights
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Old 2005-06-30, 09:09 AM   #5
sperry
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Real Name: Scott
Join Date: Nov 2002
Location: Portland, OR
Posts: 20,335
 
Car: '09 OBXT, '02 WRX, '96 Miata
Class: PDX/TT-6
 
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Quote:
Originally Posted by bruspeed
I'm a firm believer in 5-30, maybe Scott, since your car is'nt necessarily a daily driver you could get away with some slippier stuff, but you don't need me to tell you that.
But around here 5-30 seems to be pretty decent.
When the car was daily driven, I ran 0-30 almost all the time. However, when I knew I was going to put the car through higher temps and additional stress (like 2 weekends in a row of autocross in 100deg weather) I would bump up to the 15w50. The heavier weight oil will protect the motor better in the higher temps and additional load, at the cost of horsepower.

For some reason, I thought my last oil change was with 15w50 because that was all that Walbogs had, but I can't specifically remember now, and my confusion was likely due to the new caps as mentioned by Khail.

I'll go look in the garage and try to figure out which of the 15 gallons of used oil is the container from my last change.
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