Thread: What year is my flathead?
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04-23-2007 09:08 PM #2
'46-'48. 3.1875" bore, 3.750" stroke, 239 c.i., 6.8:1 static c.r., 100 hp @3,600 r's. Removeable, hardened valve seat inserts. With heads off, check center water jacket holes in the block. Top hole should be triangular, center and bottom holes should be round.
Some 59A blocks were sold as replacement engines for pre-war 221" cars and had a 3.0625" bore.Last edited by techinspector1; 04-23-2007 at 09:10 PM.
PLANET EARTH, INSANE ASYLUM FOR THE UNIVERSE.





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