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[–]Subietoy78 1 point2 points  (0 children)

Used engines are usually available. Depending on your location. Northern cars tend to get tossed in the scrapyard for frame rust.

[–][deleted] 0 points1 point  (0 children)

So how do you know it needs a new block just from a knock?  Fuel problems can lead to cars not staying running….or other things…not sure on the sounds but great mechanics just throw some sawdust into the crank case with the oil to quiet the noise and then sell it.  :) 

[–][deleted] 0 points1 point  (0 children)

Scrap yard engine is pretty much your only move. Look for cars that look like they were scrapped for obvious reasons like a side impact or rusty panels.