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From: Hank Dozier
Email: dozierhc <at> aol.com
Remote Name: 18.104.22.168
Date: January 20, 2004
The 318 and the 326 share the same crank stroke, rods and bearings. The bore on a 318 is 3.91", and for the 326 was 3.94". Also, the 326 was the only early "A" poly to have hydraulic lifters. So a 318 crank is a good substitute. HOWEVER, the pre-62 crank falnges are different from thre '62 and up cranks (not just 8 bolt versus 6, but physical length. So you will need to make sure that the crank from the 318 is from a pre-1962 engine. Otherwise, it will not fit the iron Torqueflite/Powerflite (or even manual trans) that you have. You could convert to a later A-727 Torqueflite, but this would probably coast more money and time than having the crank reground.