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...
Forum Discussion
Thanks all for the replies.
As mowermech implied, if I had the time and money to "do it right", I would have :). Naturally I wanted something reliable, but not break the bank (the motorhome cost me $200). The engine was allegedly low-mileage, and an internal inspection verified this. I purposely got something that wouldn't (or shouldn't) need rebuilt. The rust in the block was a bit of a curve ball. Now that I've paid almost as much for a new radiator as the engine itself, I need to take some extra measures.
I'd like to think that it's cleaned itself out and deposited all the rust in the old radiator. Based on all the conversation here I think I'll pull the drain plugs and rinse it out to see what happens. If it's clogged up (won't drain, or ugliness comes out) then I'll run something like Evapo-Rust through it.
As mowermech implied, if I had the time and money to "do it right", I would have :). Naturally I wanted something reliable, but not break the bank (the motorhome cost me $200). The engine was allegedly low-mileage, and an internal inspection verified this. I purposely got something that wouldn't (or shouldn't) need rebuilt. The rust in the block was a bit of a curve ball. Now that I've paid almost as much for a new radiator as the engine itself, I need to take some extra measures.
I'd like to think that it's cleaned itself out and deposited all the rust in the old radiator. Based on all the conversation here I think I'll pull the drain plugs and rinse it out to see what happens. If it's clogged up (won't drain, or ugliness comes out) then I'll run something like Evapo-Rust through it.
