Why would "Pros" with 30 years experience line up the rings?

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2004 Ext Cab, 4WD, 4.0, Auto, 154k. (4.0 engine is out of a 2009 Ranger w/96k) ( as of 7/1/2017)

2004 Ranger, Ext Cab, 2WD, 3.0, 5 speed , 4WABS, crank windows, no cruise, Edge 116k.(6/5,2014) (SOLD).
1999 Ford Ranger, Reg Cab, 2.5, 5 speed, 2WD, no AC, 150k (SOLD).

how would he know if the pros lined up the rings? Haha if it's assembled

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2004 Ford Ranger XLT FX4 Level II : Weekend Driver (Oct. 2013 TOTM)
2003 Ford Ranger EDGE 4x4 : Daily Driver
1991 Ford Ranger XLT 4x4 Small Block Stroker : On going project
1994 Ford F350 Turbo Diesel 4x4, Short Bed Single Cab : On going project
1967 Ford Mustang Coupe : Restored to original