Fan and Fan Clutch Question

[jrmunn]

With carburetion, exhaust system, brake system, and bed replacement (plus a few less time consuming repairs) done, I have started working on the cooling system in my 64 GMC 1500 pickup with a 305E V6 engine. Can someone tell me if I can use a clutch driven fan to replace the stock solid set fan? The truck does not have any overheating problems and, in fact, takes a long time to come up to normal temperature, so the reasons I am thinking about this are noise reduction and better fuel economy. Rockauto lists a fan clutch for my truck and lists a fan that fits the same clutch for a 1964 GMC G1000, but I can't tell if there would be any clearance problems in the 305E engine setup. I would like to have some idea about what will work before spending about $50 to find out the hard way.

jrmunn

[bigblockv6]

I converted to a fan clutch setup on my 68 KM-2500 and it has worked out well. Just taking a wild guess I ended up using an 88 Suburban fan with an 80's Caprice fan clutch and everything fit to the V6 like it was made for it. The distance between the fan & radiator as well as the diameter of the fan were correct. I'm sure it can be different on your 64 but you did mention Rock Auto has one, I can definitely say it's worth a try.