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Old 12-12-2005, 02:57 PM   #15
Scooby Guru
Member#: 767
Join Date: Jan 2000
Chapter/Region: Tri-State
Location: N.J.
04 FXT


Originally Posted by poison
WRXWagonFun, it depends on your driving habits. You should do an oil analysis at 4k to find out. Most likely you're fine going at least 5k.

Charge, they're measuring it by oil analysis: wear metal are still high around 10k on some, IIRC, but calm down after that.
The wear metals in my FXT were just starting to go down to normal at 22.5k. These wear metals will shear most 30 weight oils down to a 20 weight rather quickly. If you're running a synthetic 30 weight before 10k miles on the odo, I'm willing to bet that it's a 20 weight in less than 3k miles (depending on your location and driving habits).

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