Quote:
Originally Posted by Alltezza
So I read somewhere probably in this area, I think it was a forum post like this but they had a poll about who's running what oil in his/her car.
A couple people said that Mobil1 our boxer engines don't like it. Which is also why I havent been running Mobil1. Do you have any issues with it?
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This is just my opinion... Those complaints were when the EJ blocks were everywhere, and on a huge forum where many were modded and driven extremely hard. To be honest I can't understand why one synthetic would cause issues where another doesn't. Mobil 1 is most likely the most common/popular synthetic so it makes sense that most complaints would be voiced by people using it. If it were really the cause of rod bearing problems or whatever, it would be FAR more widespread, and would affect other platforms as well. I personally believe the Mobil 1 myth was perpetuated by people looking for a scapegoat or something, and it just got out of hand. The vast vast vast majority of us really don't understand these oils on a chemical level, very very few people actually do, so for a bunch of armchair engineers arguing over the internet, it's pretty far fetched and I wouldn't give it much concern. There's been far too many Subarus run with Mobil 1 that have never had issues. The upset vocal minority will command the stage.
If it were a real issue, we'd be seeing the same trend with the FA, which actually shares nothing with the EJ series other than the flat four layout.
If it still concerns you, there's plenty of other options to put your paranoia at ease.