NEW 331 Short Block- Lot's of Rust ? PLEASE HELP ! - Ford Muscle Forums : Ford Muscle Cars Tech Forum
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post #1 of 3 (permalink) Old 02-22-2012, 09:54 AM Thread Starter
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Please Delete. Thanks !


I'm new here & really like this Forum !

I have a question : I Just received my Short Block 331 stroker, paid over $ 3,000. Looking through the water passages I can see lots of rust, chunks, small & large peaces big enough to plug my new 3 row stock radiator !

Is this normal ? I tried to take a few Pictures...

Thank You for any Help !

Sorry clicked Wrong Forum to post.. (remember I'm new)---LOL
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Last edited by TK-331; 02-24-2012 at 07:20 AM. Reason: Wrong forum
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post #2 of 3 (permalink) Old 02-27-2012, 09:06 PM
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Re: NEW 331 Short Block- Lot's of Rust ? PLEASE HELP !

Not normal. Are you sure that is rust and not pieces of sand cast? Its hard to tell. Shouldn't be sand cast in there either.

1965 289 mustang fastback
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post #3 of 3 (permalink) Old 01-06-2015, 03:59 PM
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Re: NEW 331 Short Block- Lot's of Rust ? PLEASE HELP !

ok...well alrighty then, lol.

your block should have been dipped to remove the rust . . the rust is a sign of a budget builder which would make me wonder about the rest of the build and "quality" of work done . . please post the name, number and address of the builder so we can make him look bad . . the good thing is that the rust on the cylinders is not bad/excessive.

buy a gano filter . . it goes in your top rad hose and will filter out rust bits . . most parts suppliers carry them.

buy some mercedes benz citric acid flush . . break your engine in with straight water . . drain the water, mix the acid with warm water then add it to your empty cooling system and fill it up . . drive around with it for 15 minutes or more . . leave it in there and drive around with it again later . . dump it out . . next, if you want, fill it up with water and 8 oz of baking soda and run it for a few minutes . . it will neutralize the acid . . dump it and add water and anti freeze.

don't leave the acid in there over night.



Last edited by barnett468; 01-06-2015 at 04:14 PM.
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