Yea Turbo vs NA is VERY easy to detect.
Top 10 ways to identify in non specific order
#1 Turbo
#2 Valve Covers, Turbo has 4 studs for coil packs, NA says 3000 in big letters
#3 Intake Manifold, NA has access port on top and Y pipe going to TB
#4 Oil filter, NA has a oil filter off the block, turbo has oil filter adaptor
#5 Turbo oil out, There is a big hole in the block for oil return
#6 Lines for watercooling running from thermostat housing back to turbo
#7 Oil pan is tapped for oil cooler return with GTE
#8 There is a sticker on the front that usually says GE or GTE
#9 The exhaust manifold has a spot for a turbo
#10 Yellow injectors = NA Grey/black = Turbo
I could keep going but im sure by now you can figure it out! =)