How about machining an extension for the short pump shaft and bolting it on? Drill and tap the shaft for a 1/4-28 thread Allen bolt and attach a 1/2" or 5/8" long extension onto the pump shaft. Any machinist worthy of the name can do that- - - -he doesn't have to be a "water pump rebuilder". Send me the short shaft pump and I can do it.

Dave's spacer is a 1/8" thick plate that replaces the back plate of a 216 pump. It covers the hole in the front of the block for the 55-62 low mount water pump and positions the pump correctly vertically in relation to the radiator in the 54 and earlier trucks. 55 2nd. series and newer engines put the water pump too low on the radiator for the fan to cool efficiently.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
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