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Old 11-06-2001, 08:02 AM
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yosshimura yosshimura is offline
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Join Date: Oct 2001
Location: Liberty City, FL
Posts: 653
What mileage to rebuild bottom end?

I haven't seen too many posts in the archives nor any listed here on having to rebuild the bottom end of the M103 at a certain high mileage reading nor even to change the piston rings. I have read of some burning oil, which is probably caused by the rings, but nothing siginificant to require a rebuild or a new crate motor.

So, at what point do the shops typically see these engines in for rebuild? Probably later than sooner, but what mileage is typical? I gotta know, b/c I have read some of these crate motors are about $
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