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If you actually have a bad head gasket (which I cannot see in the photos), you would be the very first head gasket I have ever seen fail on one of these engines.

 

By far, the two biggest reasons for intermix on an M96/97 are cracked cylinder heads, or cracked cylinder liners:

 

13256d1288005547-2001-boxster-s-cracked-  644655d1341076751-2007-997-3-8-cylinder-

 

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Jim Pasha has written an outstanding article in the October 2005 issue of Excellence Magazine. He discusses the overall reliability of 996/986 engines and what makes these engines some of the best Por

Not sure why you bought the car if it showed such such deficiencies. If there was nothing other than the plug leaks reported then your PPI guy screwed you. You do NOT have the problems you did in a

I just posted a similar article on our site: http://www.pelicanparts.com/techarticles/Boxster_Tech/13-ENGINE-Common_Engine_Failures/13-ENGINE-Common_Engine_Failures.htm It contains some updated info

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My engine also blew up.  The more I learn about these engines, the more I realize how much of a crap shoot it is.  Some folks are lucky and some folks are not so lucky.  Going to do a LS swap.  Will probably outlast every single m96 engine on the planet.  I do not see these cars around in 30 years..

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1 hour ago, drwhosc said:

My engine also blew up.  The more I learn about these engines, the more I realize how much of a crap shoot it is.  Some folks are lucky and some folks are not so lucky.  Going to do a LS swap.  Will probably outlast every single m96 engine on the planet.  I do not see these cars around in 30 years..

 

Welcome to RennTech:welcomeani:

Before going down the LS path, you might want to talk to one or two of the forum members that have done the LS swap; general consensus is that they would never do it again.

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