Rust and a new engine question

BigTone

Member
Motor on the M is getting re-done, looked at the radiator today and there was some rust inside so im taking it to the radiator shop to get refurbished but i started thinking, the thermostat housing and the pipe that connects the water pump and radiator are both rusted on the inside....

Should I use rust converter on both or is there anything I can do to get the rust out? I cringe to think that Im going to have a brand new motor that might see some rust from those parts....any advice or am I being rediculous lol thanks guys, anthony
 
Why don't you just take them to the radiator shop to get dipped with the radiator?

They will probably test your tstat for you as well. I sure hope you don't have to buy one! $$$$$
 
When you are ready to run the engine again, fill the cooling system with straight water and add a flushing agent. Follow package directions, flush a couple times and then add 50/50 antifreeze/water solution.
 
ya, for sure take them to the shop and get everything soaked.then you only have to give it the final cleaning with a drill and small wire wheel, or bead blast them.
 
(quoted from post at 12:27:14 08/20/12) When you are ready to run the engine again, fill the cooling system with straight water and add a flushing agent. Follow package directions, flush a couple times and then add 50/50 antifreeze/water solution.

But the entire radiator and engine will be spotless. Why wouldn't you deal with those two parts individually?

My other thought is to soak them in sulfuric acid. They are small so it won't take that much solution and it will clean them to squeaky clean bare metal.

My other, other thought is to make a small electroysis tank and clean them that way. You sould be able to do it with something as small as a 5 gallon bucket.
 
thats a very good idea guys, I never thought of bringing them with the radiator! And I will no longer be using water in the cooling system (or at least not 3 gallons worth), the block was cracked because the previous owner went heavy on the water. My wifes uncle uses 100% antifreeze and has never had a cooling problem or a cracked block....
 
(quoted from post at 12:53:12 08/20/12) thats a very good idea guys, I never thought of bringing them with the radiator! And I will no longer be using water in the cooling system (or at least not 3 gallons worth), the block was cracked because the previous owner went heavy on the water. My wifes uncle uses 100% antifreeze and has never had a cooling problem or a cracked block....

Prediluted antifreeze. Always keep some on hand. That way you resist the temptation to put just water in.
 
rule of thumb, a 50/50 mix of water and antifreeze is all thats required. good for -34f. can go stronger in extreme cold. 100 percent antifreeze is not recomended. keeping the antifreese strong prevents rust due to its inhibitors. weak is no good either.
 
> a 50/50 mix of water and antifreeze is all thats
> required. good for -34f.

And below that it gels rather than freezing so it still won"t break anything (don"t run an engine with gelled coolant, though).
 
I sandblasted, inside and out, and painted the outside of the housings.

I bought a new radiator, old one was in rough shape. I was so far backwards in $ on the restoration that another $300 wasn't an issue. The thought of an old rusty radiator on my brand new out of tractor rebuilt engine was unacceptable to me.
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