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#1
05-16-2008, 06:31 AM
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BIG BLOCK WHAT IS IT
can someone tell me what this is, casting number look like 3999289
numbers on pad are T0405CWL. i was told it is a 454 out of a early impala. 
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#2
05-16-2008, 07:28 AM
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Re: BIG BLOCK WHAT IS IT
www.mortec.com
3999289....454.......71-79...2 or 4 bolt, some "CE" replacement blocks had four bolt main caps http://www.nastyz28.com/gm-chevy-cod...-suffix-13.php CODE YEAR MODEL CID HP TRANS MISC CWL 1973 Chevrolet 454 250 TH
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#3
05-16-2008, 07:48 AM
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Re: BIG BLOCK WHAT IS IT
289 blocks are thick walled. You can bore 125 over with no problem. Very good race blocks.
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#4
05-16-2008, 08:16 AM
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Re: BIG BLOCK WHAT IS IT
thanks! you guy's very much for the help
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#5
05-16-2008, 10:41 PM
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Re: BIG BLOCK WHAT IS IT
[ QUOTE ]
289 blocks are thick walled. You can bore 125 over with no problem. Very good race blocks. [/ QUOTE ] There all good race blocks but the best ones are FREE!!! 
__________________
Mark
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#6
05-17-2008, 02:42 AM
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Re: BIG BLOCK WHAT IS IT
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#7
05-17-2008, 03:07 AM
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Re: BIG BLOCK WHAT IS IT
Photo of engine bay shows a small block radiator shroud and cover
 heater hoses are in the correct position. Check the core support to make sure it has the large opening...pinstripes are the 1970 style as far as I have seen...sounds like a fair price if it is real.wilma
__________________
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