<font color="blue"> The engine was 3.8 litres (230 CID) in 66-67, and 4.1 litres (250 CID) in 68-69. The best engines to build up are the 1968 blocks.
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>> I got this from:
http://firstgenfirebird.org/firebird...ngine/OHC.html
maybe that will get you started