1971 Buick 455
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1971 Buick 455

This came out of a 1971 Buick Electra parts car I bought. It was torn down to verify it was OK for a rebuild and is now loosely/partially re-assembled and resting quietly on an engine stand awaiting re-use. The block is casting number 1231738 which was used for 1970 and 1971 models, and the heads are casting number 1237661, which were 1971 only. Maybe it was an early production 1971 motor? Some 1971 and 1972 blocks used a different casting number, indicating a possible mid-year change, but that's just a guess. Note the earlier style rockers. These are not the later stamped steel rocker arms - I believe these are the cast aluminum ones.

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Page last updated 03/08/2010 10:25:57 PM