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thats a 1977 front cover...you have a 1979 block. the timing cover isn't different for either inlet, just the pump, so if the cover you have is serviceable you can use that one.
you have a passenger car block. your fine don't worry about it. look at the cover....how will the water know where it being pumped from? it will still enter the cover the same. there is a backing plate on the back of the pump.
the water will be directed to where its supposed to be
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Fred B
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