OP

Quoted from bjoechamp:

Found a really detailed difference list for T2 in a google group
-Red lamp boards
-Blue head (background is blue, instead of black)
-Yellow start button (production is white)
-White cover manual, marked 'preliminary', should the original manual
still be with the machine
-No Diamondplate
-Sys11 cab bottom - metal speaker grille sitting flat on the bottom of
the cab, no speaker mounting ring with a plastic speaker grille
-Side art is slightly different
-Speaker grilles are the WMS 'W' instead of solid red
-Shooter handle is 'sand cast', which has a slightly different, rougher
texture than production
-No decal under plastic ramp
-Insert artwork differences
-Different playfield colors, deep deep blue almost purple between the
flippers
-No artwork on the metal plate around the cannon
-Hand cut drop target mechanism with custom bracket to hold the solenoid
that 'drops' the target, wiring for said target run outside the regular
wiring loom