360/410 Stroker Questions

A good machinist should have no trouble putting both decks within .002-.003 of each other and .002 front to back.

I haven't measured every rod made in the past 10 years but I'd bet the deviation in rod length (of an aftermarket set) isn't more than .001" assuming you buy the rods as a set. Scat is more likely to be off than Crower, but either way....