Is it BO and LO or is it B0 and L0….that is the question??

And before that the L0 D-Darts, still used the number zero in the VIN as there was never a letter "O" available. No other cars used this VIN except super stock cars, so the consensus is as far as I can see that the VIN had to use the number 0 although in reality it is the letter O...