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  #1 (permalink)  
Old 03-04-2004, 01:33 PM
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Join Date: Feb 2004
Location: Lowestoft, uk
Cobra Make, Engine: Shamrock 350 chevy
Posts: 7
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Question engine data

Iím trying to trace what the engine, in my shamrock cobra origanaly came out of.
The engine casting number is : GM 3970010 and the number from the front of the engine is : 685225 R K06 07 H
Iíve been told it was a chevy deville sedan 1972/75 350 ci
small block V8.
Could this be true, and are there any more numberís I would need to identify Further.
Or do Shamrock put on there own engine numberís ?
Any help would be much appreciated..

Thank's a1ohn
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  #2 (permalink)  
Old 03-04-2004, 01:41 PM
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Join Date: Jan 1999
Location: MARKSVILLE,LA.,,
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It is definetly a 350 block,we call them 010 blocks,most had four bolt mains and were made in a good supply in the 60's and 70's,possibly some in the early 80's,not sure of that...........It is a very good block as far as 350 chevys go,just ask any dirt tracker,that's all most use when they can find them...........

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