I will reply to your post because I wrestled with this for a long time before I was convinced to try the method described by someone here and seconded by several more.

"Hang" the pump on the oblong shaped holes and tighten those fasteners a bit (not enough to restrict the pumps ability to move). Then insert a Phillips head screwdriver through a lower round hole and into the block. Then simply use the screwdriver as a lever to raise the pump. When in the proper position it is easy to get the bolts started by hand.

The screwdriver needs to be a loose fit in the block. Initially I was worried about damaging the threads in the block but that was not the case.

I quickly became a believer in this method as I had used various other methods that finally worked but was much harder than it should have been.

Randy
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Any twenty minute job is just a broken bolt away from a three day ordeal