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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You've probably cleaned out as much as you can now. The rust plug in the inlet has been removed and you are running antifreeze(coolant) with a new rad.. I think you'll be fine now.
