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 Post subject: gm big block
PostPosted: Thu Aug 01, 2013 4:55 pm 
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Joined: Mon Jul 27, 2009 9:06 am
Posts: 213
Is a 512 casting block (427-454) allowed to replace a 272 casting block (396) in stock appearing? I'm assuming it's okay since block casting #'s don't have to be correct.

:dragster


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 Post subject: Re: gm big block
PostPosted: Thu Aug 01, 2013 5:19 pm 
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Joined: Fri Jul 25, 2008 12:26 am
Posts: 6710
Location: Bristol CT
69L78 wrote:
Is a 512 casting block (427-454) allowed to replace a 272 casting block (396) in stock appearing? I'm assuming it's okay since block casting #'s don't have to be correct.

:dragster


Correct as long as block deck, cam location Etc are all the same as the 272 casting block you are OK.

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 Post subject: Re: gm big block
PostPosted: Fri Aug 02, 2013 12:31 am 
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Joined: Mon Jul 27, 2009 9:06 am
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:aok Thanks.


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