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Old 01-17-2019, 10:17 PM   #1076
Scooby Newbie
Member#: 465978
Join Date: Apr 2017
Location: Racine, Wisconsin
2019 Subaru WRX
Dark Grey Metallic


Originally Posted by bluesubie View Post
Specs matter more than brand. Whether you use a GF5 5W30 by Subaru, Castrol, Mobil 1, Valvoline, Pennzoil, or SuperTech, it most likely has the operational viscosity of a 20 grade. This is fine for some applications but not ideal in other applications.
Dennis, I have read very many of your discussions on oil and I know you are very knowledgeable. Iíve seen your UOAs of Mobil 0w40 and was impressed. I couldnít however justify being overly picky and spendy with my oil if I donít take my car to redline all the time. I donít mean to step on anyoneís toes, but if youíre careful and timely I think 5w30 is OK
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Old 10-06-2019, 09:35 PM   #1077
Scooby Newbie
Member#: 498711
Join Date: Mar 2019
Location: In SLC
2002 WRX Hybrid
WRBlue repainted

Default Try the Hubb oil filter!

Can't seem to find anyone using the Hubb oil filters on our Subarus! Highly recommend you try and pick one up in your area! Look into it, never change your filter again just clean and peace of mind, plus more filter media for cleaning! I'm using part 3207 and the motor loves it. New poster, long time viewer, just wanted to spread my recommendation!
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