Any oil-related failures out there?
09-14-2006, 10:29 AM
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Any oil-related failures out there?
With all the talk about proper break-in, frequent oil changes, etc, I wonder if anybody on this board has ever had a mechanical failure clearly related to improper break-in procedures, too many months / miles between oil changes, etc? My bet is "no", but if I'm wrong we might all learn something from the events and the causes.
Examples would include excess wear (e.g. piston or bearing knock), poor running traced to compression loss, excessive oil consumption etc sufficient to require rebuilding.
If you've had one, what was it? At what mileage and age? What caused it? How do you know the cause? Do you have the entire service history for the car?
Examples would include excess wear (e.g. piston or bearing knock), poor running traced to compression loss, excessive oil consumption etc sufficient to require rebuilding.
If you've had one, what was it? At what mileage and age? What caused it? How do you know the cause? Do you have the entire service history for the car?
09-14-2006, 04:44 PM
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Originally Posted by daveZ insanity
With all the talk about proper break-in, frequent oil changes, etc, I wonder if anybody on this board has ever had a mechanical failure clearly related to improper break-in procedures, too many months / miles between oil changes, etc? My bet is "no", but if I'm wrong we might all learn something from the events and the causes.
Examples would include excess wear (e.g. piston or bearing knock), poor running traced to compression loss, excessive oil consumption etc sufficient to require rebuilding.
If you've had one, what was it? At what mileage and age? What caused it? How do you know the cause? Do you have the entire service history for the car?
Examples would include excess wear (e.g. piston or bearing knock), poor running traced to compression loss, excessive oil consumption etc sufficient to require rebuilding.
If you've had one, what was it? At what mileage and age? What caused it? How do you know the cause? Do you have the entire service history for the car?
The point is that you'd be hard pressed to get a tech to admit that a car was damaged due to break in or oil change intervals. Poor or uneven compression can be due to a number of things, not just what you mentioned. To further convolude the issue, you're talking about a performance car, the Z is driven with more "spirit" than most cars so engine wear could be due to something as simple as romping the **** out if it for 2 years. just my .02
09-14-2006, 05:39 PM
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You're right - but I'm talking EARLY failure.
If we find that 25 people who didn't believe in oil changes all threw a rod in the first 20k, the association is probably not coincidental.
I agree with you, though - I bet there aren't any such failures out there. And if that's true, why make a big deal out of "break in" etc? My point here is to either demonstrate that it doesn't really matter much how you break in your engine, how often you change your oil etc or to identify the cause of failure if there seems to be one. I'm with you - it's almost certainly of no consequence, at least in the first 100k+ miles.
I agree with you, though - I bet there aren't any such failures out there. And if that's true, why make a big deal out of "break in" etc? My point here is to either demonstrate that it doesn't really matter much how you break in your engine, how often you change your oil etc or to identify the cause of failure if there seems to be one. I'm with you - it's almost certainly of no consequence, at least in the first 100k+ miles.
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