Thank you Ed; I had already read this. Since the reference to the 1002 fan is, again, "limited observed", I was looking for confirmation of l34/35 (real-life cars) of having being equipped with the 1002 fan. Reference car is 68 l34 non-AC. I see no documentation stating the 1002 fan was never used on the L34/35.
I also was under the impression that only the solid lifter engines received the 3871276 fan due to the higher revving engine requiring a larger fan-to-clutch mounting circle.
Any help greatly appreciated.