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Old 04-20-2006, 10:29 PM
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Cylinder bluing.

My camaro had a 350 in it which happened to sieze up at about 100 mph. After inspection i've cam to the conclusion that some aluminum has gotten into the engine causing massive engine failure,(cam was held in place by a chunk of aluminum , the main bearings have all completely blued and the crank is junk. it was already turned down .020 so i have another to replace it). The biggest problem i've came accross is that the cylinder walls(already bored=.030) have blued and kind of look like they've been copper coated(it's kinda cool looking).

Question is, if i bored it .060 would their be a problem with the cylinder walls being blued or would boring it cure that(i don't want to spend the money to bore it if it's ill advised in the first place and may not accomplish nothing except decrease my budget). The engine otherwise appears to be in rebuildable shape, no cracks etc.

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Old 04-21-2006, 09:21 AM
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I've heard of that happening only once. The bearing were overheated. Since 350 blocks are easy to come by I would start with a good core rather than try to cut through tempers cast iron. Even if you cold get a shop to try it on worn out parts.
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Old 04-21-2006, 09:39 AM Moderator

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Junk it and get another block.... That thing has trouble written all over it.

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Old 04-21-2006, 12:11 PM
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absolutely, throw it all away and start over.

That might sound extreme but when an engine gets that hot there really isn't anything I'd use again except for maybe the intake manifold if it's aluminum.

I had a circle track engine come back that had been run with no water in it. The car had something go through the radiator at speed large enough to lose all the water. He ran upwards of 10 laps on a 5/8 mile track before burning a piston. The Mobil one oil that was in it was burnt beyond anything I'd ever seen before. Every metal part in the engine was blue, both heads were cracked etc. I tried to salvage the block but it was so twisted that at that point it just became a writeoff.
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Old 04-22-2006, 11:35 AM
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Thanks guys, the guy at my machine shop told me the same exact thing. SO i'll be on my third and hopefully final engine block.
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