Big hassle averted! After the last blog, pops followed up with Reynolds Machine and here is the result: The machine shop did not pay attention to the number stamped on the factory rods. But, simply moving the left side piston-rod combo to the right and vice versa solves the issue. Apparently this is a standard process for machine shops to not care about the rod stamped #, but to set up 4 piston-rod combos one way and 4 the other way. This way the chamfered side of the rod faces the radius on the crank journal. So, as long as the piston to bore clearance stays the same and balance is the same, they are fine to be assembled like this. So, as you can see, dad wrote new numbers for the 8 cylinders.
It looks amazing! haha
...and here is 5-8...
Thanks to friend Corey, he took the specs and calculated an estimate of 9.8:1 compression ratio. The stock 5.0L from the 1994 Mustang GT came with 9.0:1 compression. 
A reminder on the set up now, we have AFR165 58cc heads (Head chamber volume), 0.030" overbored pistons (4.030"), stock stroke of 3.00", stock deck height 8.2" and piston height, 0.006" below deck height that dad measured, measured head gasket thickness of .039" and valve notch volume of 3cc. This is a nice increase in compression that will help response and power and will go well with the purpose of this car, which is street driving and the occasional drag strip runs.
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