In a message dated 96-01-31 16:28:37 EST, mikej@printrak.com (Michael Jarvis)
writes:

>Question: at 150,000+ miles (and I don't know of any rebuild history), 
>should I do preventative maintenance and replace the gaskets, or do it when 
>they go bad (ie, is there a warning before the whole engine is toast)?
>
>

At 150K, do not fix what isn't broken.  Save money so when it does break, you
can engine properly rebiuilt with new heads if needed.  It owes you very
little.
Dennis.