The serpentine belt runs the water pump backwards of a V belt setup. This was pretty uncomplicated but required a few pieces to work correctly.
I used pieces off of a 1993 305 TBI Caprice for the parts forward of the water pump. The fan and the FAN CLUTCH go together. GM designed the fan so that it can't be used with a V belt fan clutch. The parts don't fit together.
The water pump donor was from a 1989 TBI Camaro. This is a water pump with a provision for a heater outlet. I pulled the outlet off the original 4.3 water pump and transferred it to the Camaro one. The Caprice pump may have worked but the Camaro one looked fairly new. The Camaro pump didn't use a mechanical fan, so I had to steal the studs off the Caprice water pump.
The parts matched up fine with the 4.3 fan shroud!
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