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Old 12-27-2007, 09:50 AM   #3
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Join Date: Jun 2004
Location: Des Moines, IA
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Quote:
Originally Posted by pk2
Given a well tuned induction system (air/fuel/intake temp, etc), what is semi-reasonable limit as to how much HP (at the crank) caan be milked out a stock build 2.5L boxster motor without it going kaboom. I know anything above stock HP is going to tire the motor sooner, talking here though about catastrophe.

Thinking about bottom end or wherever else it might fail. I know there can be problems with the cylinders (sleeves?). I’ve also heard that one will let go, if it’s going to, regardless of what you do with it.

Thanx PK

If it were me, I would not invest any real dough in a 2.5 engine. I don't think the motor set any records for durability.

There is no replacement for displacement.
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