The difference in the clocking of the ports is to clear the mid-engine motor mounts on later model engines. The pumps are the same, block mounting, lever arm, internally, and pressure-wise, IMHO.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
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