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Old 07-16-2013, 11:28 PM   #120
Scooby Specialist
Member#: 346388
Join Date: Feb 2013
Chapter/Region: MAIC
Location: PA
2001 Ej205 Impreza L


Found my old gear oil UOA.
Anyone remember seeing this like a year or so ago?

75w90 is the norm, and as you can see that's NOT what was in the gearbox. It was probably ran closer to 5,000 or 6,000 before I drained it.

Whatever the hell this oil was, it was so thin that by the time I pulled the dipstick out, it would show just a bead of oil on the end. After the UOA I changed it to some 80w90 but it was too late.

Again, this was a over year ago, and the transmission has since been rebuilt, as the syncros were toasted. It wasn't immediate that this oil did its damage, but within 9-10 months all the gears were grinding lol.

Just thought some of you wouldn't mind seeing a gear oil UOA for once.
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