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how concerned should I be about rust on a block

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Old 07-03-2012, 05:00 PM
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Default how concerned should I be about rust on a block

Well as most know, I smoked my engine. Well I found a 2005 6.0, and was thinking about going bigger. Well the engine is priced right, but the problem is the rust. The vehicle it was in was in a fire. The filler neck is melted, bit that's it. The block is real rusty. We were picking scale off with a screwdriver. It seriously looks like something that was sitting in the ding weeds for 30 years. The engine is a 2005 with supposedly 53k miles on it. I don't mind doing bearings, rings, and gaskets. Is this something that I should get? Or should I stay away because of the rust. Oh, I was able to grab the balancer, and turn it over easily. And I am not sure about the balancer. Would I be able to use my good flex plate off of my 5.3?
Old 07-03-2012, 05:12 PM
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Originally Posted by Gadgetized
Well as most know, I smoked my engine. Well I found a 2005 6.0, and was thinking about going bigger. Well the engine is priced right, but the problem is the rust. The vehicle it was in was in a fire. The filler neck is melted, bit that's it. The block is real rusty. We were picking scale off with a screwdriver. It seriously looks like something that was sitting in the ding weeds for 30 years. The engine is a 2005 with supposedly 53k miles on it. I don't mind doing bearings, rings, and gaskets. Is this something that I should get? Or should I stay away because of the rust. Oh, I was able to grab the balancer, and turn it over easily. And I am not sure about the balancer. Would I be able to use my good flex plate off of my 5.3?
as long as the rust is outside of the block i wouldn't weary to much i have a 06 LQ9 i got for nothing with a bad oil pump and the block is pretty rusty its from our lovely winters we have. and yes you can use your 5.3 flex plate just make sure you remove the spacer thats behind the 6.0 for running a 80E.
Old 07-04-2012, 12:43 AM
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so long as everything that's supposed to be bolted to is it is still bolted to it then you shouldn't have to worry about the insides being fouled up. being able to turn it over by hand is a good sign...did you feel it build compression?
Old 07-04-2012, 12:54 AM
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Rust is not a big deal so long as its not on the inside. They thing you have to worry about is how hot did it get. If you plan on tearing it down then no big deal. If you want to just run it the way it is then you need to look a lot closer...
Old 07-04-2012, 08:52 AM
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Thanks for the input guys. I think I am going to go ahead and get it. I will start another thread as I have some questions about gaskets.
Old 07-04-2012, 09:46 AM
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If ur doing bearings I would suggest you take it to a machine shop. They can check it and clean it up for $100 or so. I bought one that had years of caked on mud with bad bearings. Now it looks real good.
Old 07-04-2012, 07:43 PM
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Good luck with your new bullet man!
Old 07-05-2012, 03:52 AM
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Outside = Normal.
Inside = F'd up.
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