Thread: SBC Engine Block Identification
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Old 06-07-2009, 04:08 PM
  #5  
fla1976
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Default 3956618
The casting number decodes:

Years Casting CID Low Power High Power Main Caps Comments
1969 3956618 302 290 290 4 Z28
1969 3956618 327 235 235 2 fullsize
1969 3956618 350 250 350 2/4 cars

Here is the site: http://www.nastyz28.com/sbchevy/sblock.php
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