desert_buick, do you have a spacer between your fan and water pump ?
if not, that is probably why the po installed the spacer between the radiator and the support, to get the radiator closer to the fan.
my truck was originally a 6 cylinder also, and now has a v-8, but dont have a spacer betweent he radiator, like yours. mine has a spacer between the fan and water pump.
leonard


1957 Chevy 3100 1/2-Ton
Photobucket pictures
In the Gallery