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Yes
No
No only 1970. 71 and 72 are interchangeable
No, they're 2 totally different bodystyles.
You dont.
If they are both 4-doors or wagons, yes. If they are both coupes, no
Yes, but the signal lights are the wrong shape.
Yes but the hood latch has to be relocated.
No it will not fit correctly with the grill.
They will fit, but they will look stupid as hell. Keep in mind the 1972 Cutlass came stock with 14" or 15" wheels. Anything bigger than 18" tends to look really, REALLY stupid on older cars like the '72 Cutlass.
It wouldn't match up in the front due to the 67's wider headlight design
No