60-62 fan shroud questions

[62stepside longbox]

Today at one of my local yards I found this radiator shroud laying in the back of an old milk truck. I believe it is for a 60-62 but not quite sure as it seems a little different than the pictures I've seen on here. Or could it be from a passenger car from the same era? The bolt pattern appears to match the radiator in my 62. But it seems to stick out so far that it would hit my thermostat housing. Could that be because this is for a v8 truck and my truck has a six cylinder? Here are some pics and measurements. Any help is greatly appreciated.