1954 239 ci Y block

IMHO they are only good if you want to stay 100% original. 272 - 312 heads, intake etc don't fit too well, and if you want more power guys go for the 272, 292, 312, as they all interchange.
 
I had one in a 55 pickup and it made a good truck motor. I guess the small valve heads promoted high intake velocity at low rpm and helped develope low end torque. I have occasionally heard people putting the 239 crank into the larger motors to make a higher rpm Y-block.
 
Check out www.1954ford.com someone doing a restore may want it,the Ford 256 that was the Police Intercepter in '54 and the '54 Merc 256 is about the only Y-block that is good to interchange parts with the 239.
 
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