hey gang I need help on figuring out why the fan is hitting in a 1954 -1/2 that I put a 1955 235 auto engine in bolted to a t-5.When I rebuilt the engine I finished with a short shaft water pump for some reason.I'm needing about 1/2 inch and I'm questioning myself now on having the correct radiator and or a combination of it and the changed out water pump.Do we have any articles or previous discussions on this.Help and THANKs