Based on what I can tell, there were two crank pulley damper types- a viscous and a rubber stamped unit and two styles of timming covers. There was also a difference in the vent tube - one is a single piece that attaches at the valve inspection cover. The other is a two piece unit. The lower...

51PanelMan,I think the M Series 254 six was used in the F6 and up. The 226 engine was used in both cars an trucks. I believe the 226 that came out of my F5 was the original engine.Thanks.

Hi,New member here. I have a '49 F5 that I am replacing the original 226 H engine with another 226 that isn't as tired. There are a couple of small differences between the two engines that I noticed. The timing chain cover and crank pulley are different on the replacement. The original cover...