small block decode help 215 or 300? Not sure..

[sparkplug]

Hello everyone I found an engine in a 72 skylark that doesn't belong in it.. It looks like a 215 v8 only it is cast iron.. It has the alluminum heads and aluminum intake.. The carb is the older style rochester...
block is B1357943 date B 19
intake 1359122V date@20@
exhaust man.. 81364178 and 8-125888-8
any help would be appriciated..

PS I need picture resizing help!! Thankyou Randy

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pics..

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pics

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another

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last one...

I really need to know what engine CID it is and what other engines the bracket and stuff will fit.. Thankyou Randy :TU:

[flynbuick]

Sounds like the al head version of the 64 300 cid Buick.

[carbineone]

Sounds like Jim is right on,if it was a 215 it would be an all alumunim block I believe and the 64 300 had the aluminum heads,manifold and the cast iron block.Does it have a aluminum block if so its a 215?

[sparkplug]

It is definately a cast Iron block.. Does anyone know where I can some help on the cast numbers?? Randy

[flynbuick]

Now with the pics that is indeed what it appears to be.

[bob k. mando]

Does anyone know where I can some help on the cast numbers??

http://www.buicks.net/shop/reference/smallblock_casting_numbers.html

Gessler has some intake and head numbers and Atlanta Buick also has a fairly thorough list.