Quote:
Originally Posted by nikitopo
Many times a manufacturer revise a part to increase the safe limit. Not because there is a real issue. If there was a big issue on stock cars, then you would see a change of all the defective parts. What do you think to be more expensive for them? To replace a part or to re-build the whole engine?
I also checked most of the threads you mentioned. The majority had a tune or even a S/C. I 'm not saying that a stock car will never broke, especially if the engine is on the 1st year of its production. It is just that the chances are much much smaller if it remains stock.
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I'm not saying it's a big issue on stock cars, I'm saying it has proven to be a possible failure point even on stock cars. I think I remember at least two stock cars in those threads. I'm not an expert but a lot of guys who have a lot of experience tuning this car (MRT, AVO, steve99, nelsmar) seem to agree it's not a tune-related issue. I think it's also interesting that someone with a tuned car had the dealership look over his car to fix the issue and the Subaru SM agreed to cover it under warranty. I doubt you'd see that if this was primarily a tune-related issue.
I've got no skin in this fight, I'm just relaying the same conclusion reached by all the knowledgeable people who've looked into this issue. If you've got proof that this is caused by aftermarket tuning, I'd be happy to see it.