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Old 08-26-2003, 11:56 PM   #7
Scooby Newbie
Member#: 42275
Join Date: Aug 2003
Location: Los Angeles
2004 WRX Wagon
Platinum Silver


I'm very curious as to which Redline works best. I'll refer you to a Cobb Tuning article which actually recommends MT-90 in the transmission on Subarus.

MT-90 is a 75W90 gear oil and is of the proper and recommended viscosity. It's GL-4 and thus is not as slick as the GL-5 75W90 oil.

Before I make my first transmission fluid change, I'd like to collect more opinions.
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