PS pump which one to use?

The car is a 1969 barracuda. The motor that came out was a 76 318.

I now have an 85. Not much difference, but the 85 is a roller.

I'm using pulleys from the 85 and not sure which pa pump/brackets to use

Ideally I'd like to use the clean black one, picture below because I know that one doesn't leak. The other one came off of the 85 fifth avenue, which I'm not sure the condition. Can I swap brackets? Not sure how pulley alignment is going to be.

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