This is something the tester picked up, he said that the digital reader didn't tell him what the max reading could be, ie more than the max aped of the car. Question is were can i get this info.
Doesn't have it in the Haynes..

digital speedo says it all ? 3 digets 999mph was not menstioned on my test

that what i said to him, and he agreed, still wanted some form of proof though!!