boat engine cover plate

Pontiac engine block identification.?

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

1966 Pontiac 2+2 421 Engine, Crank it up!

1966 Pontiac (Catalina) 2+2 421 YH Code Block, engine crank up after years of disuse. Car was raced back in the day and has Ram Air II heads ...

How to get OBD Trouble Codes

www.vehix411.com hear is a list off all trouble codes for specific trouble codes that are not listed hear can be found on http sorry the list is ...

1966 Pontiac 2+2 421 idling

1966 Pontiac Catalina 2+2 421 YH Code Block engine idling. Engine has Ram Air II heads, intake, carb, cam and HEI.