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Old 03-19-2008, 11:25 PM   #1
Scooby Newbie
Member#: 157001
Join Date: Aug 2007
Location: Riverside, CA
2004 Impreza WRX STI

Default 20,000 Miles

Im getting close to 20k miles on my 04 sti. I try to keep the mileage low, but oh well i have to drive it daily. Well at 15k Miles i did an oil change and use Mobil 1 0w-40 Synthetic. I live in SoCal and it was getting close to colder weather so thats why i went with this. Now that spring is coming up and summer i think i need some thicker oil. I know subaru recomends 5w-30, but would 10w-30 or 10w-40 give better protection? I do spirited driving every once in a while so i wanna be safe. Im curious to try Royal Purple. What are you sti owners using?

Heres a pic of her, shes dirty.... she has a big wish coming up for Hot Import Night!!

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