Thread: What year is my flathead?
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04-23-2007 08:08 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 08:10 PM.
PLANET EARTH, INSANE ASYLUM FOR THE UNIVERSE.
I saw last night on fb about John. The world sure lost a great one. I'm going to miss his humor, advice, and perspective from another portion of the world. Rest in Peace Johnboy.
John Norton aka johnboy