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1999 Boxster

Engine

Vehicle Information: Model (Boxster, Boxster S,Cayman, Cayman S): Boxster; Year: 1999; Engine (type, size, modifications): 2.5; Total Mileage: 19,850; Transmission: Manual;

This 1999 Boxster is my 3rd Porsche. I've had a 1969, and 1979 911 over the years. I bought this Boxster with only 6000 Miles about 5 years ago so the majority of the miles are are mine (19,800).I use the car only in summer. It is in excellent condition. The engine compartment is completely dry and other than cleaning the mass air sensor and a new air filter, I've had no mechanical problems.I almost wish I had not read about all the potential problems with the 2.5 engine on this and other sites. My question is specifically - do you think I can get 20K more miles out of this engine or is it the design such that it's just a matter of time until it fails?The car has a date of manufacture of 3/99 so I suppose it is one that had the cylinder sleeve added on one or more cylinders. With the milage I have now, an I likely to have that failure if I drive it at low RPM? Will Porsche now tell me if the car is one of the ones with the cylinder sleeve if I ask? I know they would not a few years ago.Am I going to have the RMS leak at some point no matter what? Is the failure mode leaking oil until some point it just gets so bad the engine must be changed? At what milage is it likely to show up on my car?Intermediate shaft and related failures - I've read about this as well. If I keep the RPM's down can I have a good chance of avoiding this type of failure? I may be over the top in being concerned about these issues, but I'd prefer to understand what I'm up against.Looking forward to hearing from you. I don't mind your using this letter on the site, but please don't use my name.Thanks for your help.Bill Timmins

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