look for the rpo label under the trunk lid,its has the engine code (8th dig of the vin reading from left. 7=lc2 turbo)if its an 87. also,if its a GN look for a we2 code.posi is gu80 i think......good luck...:biggrin:
gn= we2
lc2= turbo v6
g80= posi rear
3 tell tale signs
also we4 is factory lightweight car! turbo t
buickbert