Thread: ('11-'14) FB20 Oil Analysis Thread
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Old 06-21-2012, 08:05 AM   #9
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Member#: 322264
Join Date: Jun 2012
Chapter/Region: Tri-State
Location: Webster, NY
2012 Impreza Sp 5sp
Obs Blk Prl/Drk Gray Mtl


Originally Posted by auskip07 View Post
#5 Redline oil and others are suggesting a 3,000-mile break-in for new engines! Proper seating of rings, with today’s lubricants is taking that long to properly seal. Shifting to synthetics before that time will just burn a lot of oil and not run as well as hoped.
OK, so my interpretation of this is:
  • We should follow the break-in process (no cruise control; no exceeding 4k RPM; etc.) for 3k miles, not the 1k miles stated in the owner's manual.
  • We should perform the first oil change at 3k miles, not at the 7500 miles stated in the owner's manual.
  • When changing the oil at 3k miles, at that point we can begin using the recommended synthetic oil.

Does that sound about right?
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