In amplification to earlier question, what block is this? Stamped on the right front is 472627. Then under it is CHS YC 030. The YC appears to be stamped at a different time. Then, behind radiator hose lower down is: 23X160414, which apparently means
Posted earlier on comment to your last question....
I also recommend KEEPING THE 455
YC is a 455 block for 1973 250hp
Date code A273 = A (Jan) 27 (27th day) 3 (1973)
472627 is the blocks serial number for the
Spinner...428 | Mar 15, 2008
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