Originally Posted By ccdave
Originally Posted By mopar dave
Finally got around to tearing the 400 block down that i picked up a few months ago. Everything looked real good, but it had clevite 77 bearings and an aluminum cam gear with pentistar cast in it. Are these factory items or do you think it was rebuilt? Need to get it sonic'd. Should make a good block.


You won’t know if it’s a good block till after the block is sonic checked.
and for a few extra buck's have it checked for cracks also.

Light travels faster than the speed of sound,,,this is why some people seem bright untill you hear them speak.