The A87 won't be on a Lynch Rd tag, but your interior code will be M2X.

If your car had the Decor Package it would be H2X.

The majority of A12 Road Runner Coupes will have the Decor Package, but there are known non decor cars.

Is your car on the A12 Registry? If you don't want to post your fender tag here you could send it to me at liftoffregistry at hotmail

I am curious as to how it was confirmed as a test car?

The K-frames were changing during the A12 run...with a few different variations being used.

Dave