Cleaning out a cast iron block
This is my second season with my '84 Allegro. Bought it with a blown engine. Put a Craigslist-found 454 in it (truck spec GM Performance crate engine). When I got the engine home, put it on a stand an...
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Evapo-Rust makes a rust remover for this very purpose. It is called Evapo-Cure. It will totally dissolve all the rust in the cooling system. It will not dissolve sand, but might dislodge it if it is held in by rust.
Check it out.
Check it out.
