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Fwd: A look inside 200k mi. engine


<< <<My dad, who spent 43 years working on steam and diesel locomotives, as 
well 
 as airplane and tank engines for a while, couldn't believe the amount of 
 crap sitting on the pistons!  Scary to think of that stuff flying around in 
 the combustion chamber, getting stuck around the valves, etc...
 Anyway, got me to thinking if that engine has 200k and so much stuff in the 
 cylinders, wonder what my 4k with 300k looks like.  Probably pull the plugs 
 this weekend and stick a vacuum hose in there to see what comes out!
 Alan>>>
 
 My coupe GT, which had over 200k mi when I pulled off the head, was 
amazingly in excellent shape.  In fact, the factory hone pattern on the 
cylinder walls was still there, and there was no uneven wear on the cylinder 
walls.  Compression was still within spec too.  The only problem was that the 
valve guide seals were worn and leaking.  From othere motors I have opened, 
and others I have talked too, I dont think my experience was too rare.  I 
have to question the maintenence history of a motor like yours with so much 
gunk in the combustion chamber?
 Javad Shadzi
 88 80Q >>



<<<My dad, who spent 43 years working on steam and diesel locomotives, as well 
as airplane and tank engines for a while, couldn't believe the amount of 
crap sitting on the pistons!  Scary to think of that stuff flying around in 
the combustion chamber, getting stuck around the valves, etc...
Anyway, got me to thinking if that engine has 200k and so much stuff in the 
cylinders, wonder what my 4k with 300k looks like.  Probably pull the plugs 
this weekend and stick a vacuum hose in there to see what comes out!
Alan>>>

My coupe GT, which had over 200k mi when I pulled off the head, was amazingly in excellent shape.  In fact, the factory hone pattern on the cylinder walls was still there, and there was no uneven wear on the cylinder walls.  Compression was still within spec too.  The only problem was that the valve guide seals were worn and leaking.  From othere motors I have opened, and others I have talked too, I dont think my experience was too rare.  I have to question the maintenence history of a motor like yours with so much gunk in the combustion chamber?
Javad Shadzi
88 80Q