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Originally Posted by garcon
Not sure about the first bit - must admit I thought it was basically the same block but tuned slightly differently for emissions and fuel.
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I could be mistaken, so don't quote me on that! The reason I say that is due an article I read on the Litchfield Type 25 a (long!) while ago, where they mentioned about sourcing US 2.5L engines to use as a base as they were a stronger engine...
Quote:
Originally Posted by garcon
As for the 2.5 STI horror stories, there were certainly some - 'chocolate pistons' was a phrase I heard more than once - but there weren't that many warranty claims with Subaru UK. I do think the waters were muddied by failures to modified engines running on low RON fuel.
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...I know the 2.5L STI engines after '07 (i.e. GR shape onwards) didn't get forged internals, hence the "chocolate pistons" monicker. I also understand that the map on the those Type UK cars was flawed.
A good friend of mine bought an '08 STI (new) and suffered ringland failure, he was told the cause was the map.
Still, I understand the probem has been rectified on latter cars and, following a rebuild (and remap!), his car was fine. It has rather tainted the hatchback-era in my eyes though. Wouldn't say no to a JDM STI hatch though...