As I mentioned before Lordstown never produced a 1969 Trans Am. Obviously they never had a way to get parts at that particular plant for T/A production. Your car is very interesting that it has the D80 however, but until another surfaces from a LOR plant build, it's a lone build car.
'69 Firebird 350/350 '69 Firebird 400/M-20 '69 Trans Am R/A III/M-20