Quote:
Originally Posted by Calum
You seem to be missing the point. Open deck blocks are a relatively new thing in engine design. The original design of the piston engine was closed deck. Subaru wasn't even a company when the first engines were built, nor for several decades after engines started being mass produced.
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Correct,
Ford motor company came out with a aluminum closed deck in 1984
http://www.google.com/patents/US4446906
Kaiser had one in the 1950's