The fan shrouds for a 60-62 V-8 truck are metal. They look like this one. 6 cylinders never had shrouds.
http://cgi.ebay.com/ebaymotors/1959...ck_Parts_Accessories?hash=item2c51842017The one shown is for a 409 car. I've forgotten the "code", but the number of ribs around the shroud tells you if the shroud is for a 283 or a 409. I have a 409 in my 60 GMC and I purchased a repro shroud and cut it down about an inch and a half. It works fine and looks original. I had purchased a shroud from LMC for my application and it was a fiberglas piece for a crossflow radiator. POS! Not for an original radiator. So if you have an aftermarket rad, go with LMC. If you want an original style go with the metal one.