can this block be saved? 454 4 bolt - Team Camaro Tech
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post #1 of 5 (permalink) Old Sep 12th, 04, 07:27 PM Thread Starter
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this spring, i got a helluva deal on 2 454's- one rebuilt shortblock, which i later made a killing on by installing it into a 67 Chevelle- and one complete long block with a busted rod and a high rise aluminum GM rectangular port intake on it.
i tore the engine with the busted rod apart, and 2 of the main bearings spun- but there are no grooves or discoloration in the bores. when the rod broke, it took out a 1/2" section of the inside bottom of the oil pan rail into the water jacket. clean break- no cracks or anything coming out from it. otherwise, the block is in good shape- despite the cam that came out in 3 pieces.
i was thinking maybe fill the bottom of the block, and it would be good to go- maybe score a 396 crank and make a 427 out of it or something, since 454 cranks are kind of hard to come by cheap, and i'd like the idea of being able to use any old small block flywheel or flexplate on it for easier swap into whatever i wanted to shove it into.

you don't plan sincerity.
you have to make it up on the spot.

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post #2 of 5 (permalink) Old Sep 13th, 04, 01:35 AM
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Read this thread: https://www.camaros.net/forum/ultimat...ic/24/441.html
It explains about flywheels. Get a 427 kit from Summit.

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post #3 of 5 (permalink) Old Sep 14th, 04, 01:28 AM Thread Starter
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thanks, but i already get the differences in flywheels.
anyone have anything to say about my real question- "can this block be saved?"

you don't plan sincerity.
you have to make it up on the spot.

wanna hear about 20 years ago when i was too smart to know any better?
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post #4 of 5 (permalink) Old Sep 14th, 04, 01:35 AM
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You could have the block magnafluxed in the area to check for length/depth of crack. Even use the penetrant Quality Assurance welders use to check cracks. If none are seen, I'd say filling the block would be a good choice.

Remove all the debris in the bottom of the water jacket.

You might look for a weld shop who can weld cast iron and have them weld it back up.

Who knows, another block could come along and transfer the 4-bolt caps.
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post #5 of 5 (permalink) Old Sep 14th, 04, 06:40 PM
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filling the block is a reasonable idea, but i would not bank on it sealing completely. my bet is with block heat cycling and so on, you would surely get a leak, sooner if not later. the stuff really is not a good sealant per se. i'd look into welding it up, weigh the cost and go from there, you definately dont want to drop a bunch of coin on a block destined to be a big flower pot.

Sean

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