Quote:
Originally Posted by deansbimmer
Ouch. I was going to suggest that the mains ate it, but you got to it anyway. Did you pull the crank up to inspect the bearing saddle in the block? If it didn't crack then you can salvage the engine.
There is a chance the crank can be salvaged. Have a crank shop clean it up and measure it. If the bearing didn't gouge it then you can save it. Would give you a good opportunity to customize the journal dimensions for new bearings too.
Edit: Note how the main bearing failed first and no evident failure of the rod bearings yet. You stopped before the rod bearings failed due to lack of lubrication. Your situation may be interesting proof of sorts to those who believe that the rod bearings fail first and the heat causes the main to fail.
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I was thinking the exact same thing! Hopefully save the crank and add some clearance. I'm trying to understand what sizes I got, block is GGGGG and crank GYGGG. Is that block side and bedplate side? Also, not sure about grinding and removing the hardening, a bmw crank guy I called said forget the hardening it doesn't matter....
Crank is still in block, bearings did NOT spin. So I'm sure the block is fine, should know for sure soon.
Also, this engine knocked, it must have been the crank bouncing around! Rearmost bearings have signs of it. I'll post those pics next, it's very interesting. Still not sure why this all happened. Hopefully a passage is clogged, otherwise I? got nothing.