Guest amqjr Posted May 10, 2013 Share Posted May 10, 2013 I am working on a V12 Zephyr engine and am trying to get information on the year etc.heads 26H- 6050 and 26H 6049intake manifold has 12-9-47rear of block 56H A31622 - J137 and B2Thanks Amqjr@aol.com Link to comment Share on other sites More sharing options...
Ken/Alabama Posted May 10, 2013 Share Posted May 10, 2013 Sounds like 46-48 to me. The bore should measure 2 7/8. There are three humps in the block along the oil pan rail where the core plugs are located. The center one will be larger than the other two on the later V12 blocks. Link to comment Share on other sites More sharing options...
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