[njsteve]

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I took the blower motor off..........no numbers on that flange. Checked for the partial vin above oil filter....nothing there either. Tried to take heater core box off but was unsuccessful, broke a couple of studs and quit while I was ahead.

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Here is a photo of my 72 T/A (with a/c). It actually has the VIN stamped in two spots, the traditional a/c equipped location, vertically, to the left of the heater box opening, and in the non-a/c location: horizontally under the circular fan motor hole. It is very hard to get to these spots: you have to remove your heater box to do so, which can also require removing the pass side inner fender to access all of the studs.