I would definitely run the M-45 pump and the tub pickup, and fabricate a custom line from the pickup to the pump. The M-45 gears are MUCH taller and flow more volume than the earlier pump.
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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