Quote:
Originally Posted by cdigerlando
Yes I blew a ring land at this boost level. That is why it won't work without new pistons. It seriously reduces the life of the engine. This is a common subaru problem. Weak pistons.
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Why is my car still running, with more boost? Before going into storage compression on all cylinders was well above maint level. You were running without software for so long.....no offense but its just not fair to make an applicable claim to all FI subarus. IF you detonate, you will break a ring land. In the case of our pistons, you are more likely to do so because it is not as strong. But to say that it was the boost that blew your crown, is ****.