Well Thanks. If I ever get this car together I will try to visit Henry Rifle who is after all not that far away. After measuring, I do have the short waterpump and there is a Chevy agency just up the street. I tend to avoid the agency due to outrageous prices there but maybe I can use their knowledge at the parts desk as Streets suggests. (Their price on a Goodwrench 350 was/is $2600, over $1000 more than several agencies with free shipping!)

Don Shillady
Retired SCientist/teen rodder