Quote:
Originally Posted by finsruskw
Um...Ya might want to degrease that block 1st
Sand will just bounce off that hard baked on grease.
Myself, I'd never sandblast a block.
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The big blaster we have takes it right off, it took all of about 5 minutes to blast the engine. On your engines you can do what you want but as long as its sealed up good it wont hurt a thing, every tractor we restore gets the engine sandblasted after its rebuilt and we've never had an issue and we're talking well over 100 engines.