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Metal shavings in oil -90 LEgacy
Posted 18 April 2006 - 02:06 PM
The engine has a "whistling" on #3 (also low compression there), so I plan on pulling the heads to see what's up. I have the engine out of the car, and on a stand, in her garage. I drained the oil prepatory to opening it up, and found metal flakes in the oil. OK, I know this is not a good sign, and that the lower end is probably toast. I expect to be getting annother engine to toss in there fairly soon. What I want to know is this:
In that I'm not hearing any rod knock, how much longer can I expect this engine to last her? It has 198K on it now. Is it even worth putting any time into getting this one on the road? (if I can get 20-30K more out of the engine, I call that worth it, BTW). I have no history on the car either, other than it was an auction car, and I got it cheap. When I got it, half of the knobs ans switches from the center console were missing, as well as the corner lights. In addition, the tires are really worn, but I have nearly new ones on the alloys that I'm giving her. Sounds like this car has been poorly maintained, and perhaps the engine can be brought back to life (or even given a decent chance of it) given some TLC. Drivetrain and body are expected to last a good long time, as she does not beat on her cars, and I'll be giving them a bit of TLC before she gets the car. The engine is what worries me. I have drained hundreds of gallons of oil from Subie engines and have never found flakes in the pan before. But I also do not hear any bottom end knocking, which I would expect. the metal was fairly small, like the flakes you get in metalic paint. Perhaps it was caught in time?
TIA for your opinions!!
Posted 18 April 2006 - 02:21 PM
I've never seen this in a subie engine, but I've pulled apart my share of old GM blocks over the years, and IMHO the metal flakes are not a good sign. It means that it was probably run dry, and then somebody tried to "fix" the situation by re-filling the crankcase and hoping (or praying) for the best. My take on it is to consider that engine as very near the end of its life -- because a rod bearing is gonna fail shortly. They don't take too kindly to being run with direct metal-to-metal contact without any oil in there!
If you choose to put 'er back together without a complete teardown and inspection (and posibly replacing every moving part below the heads), then I wish you luck -- its anyone's guess how long it will last. My money's on maybe 1000 miles... if you're lucky.
Posted 18 April 2006 - 02:24 PM
Posted 18 April 2006 - 03:41 PM
Posted 18 April 2006 - 03:56 PM
Posted 18 April 2006 - 06:07 PM
Posted 18 April 2006 - 11:37 PM
Posted 25 April 2006 - 10:36 PM
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