Project Evolution IX

[RawrImAMonster]

the ringlands are a result of the poor factory tune (too lean, det kills the rings + bearings). fix the tune and you fix the problem. i'd never ever keep any turbo subaru on a stock tune. i see aftermarket tunes as a reliability mod, not a power mod (although its a nice bonus)

I've seen that as a proposed solution a lot of times, but a ton of people still have problems even with mild upgrades and a pro-tune or off the shelf cobb tune. I don't think that is the full problem. I think it helps, but there is more at work there than just the tune.

Also, the problem with using that as a solution is that you're voiding your warranty. So if it still happens, and again, it has to many people, you're fucked.

Here's a short thread with a poll where you can see plenty of modded folks still having the problem even with a small amount of votes: <!-- m --><a class="postlink" href="http://forums.nasioc.com/forums/showthread.php?t=2264969">http://forums.nasioc.com/forums/showthr ... ?t=2264969</a><!-- m -->

Another potential cause that I've seen thrown around a lot is the way the fuel system was designed on the newer models (i think it switched over in 2007) It's almost always cylinder #4 that has the ringland failure and with the new system that is the last one to get fueled. A lot of people think that this is another part of the problem. Edit: This post explains that a little better than I did: <!-- m --><a class="postlink" href="http://www.iwsti.com/forums/3664763-post34.html">http://www.iwsti.com/forums/3664763-post34.html</a><!-- m -->

I've done a lot of digging into that issue because I thought one of the hatchback STi's would make a great DD and decided that it was a gamble too costly to risk.