Originally Posted by
MadRod
It wont, you will be charged with exceeding the 70mph limit so 71 is enough. If all procedures were followed you will be held to have done 143.
The fact that your car cant do that speed now is no proof in law that it was not capable of it at the time. Dean charged with doing 169 in an Escort with a book Topspeed of 144, they even said he was travelling South on the M1 when he was going North. He was still charged & banned.
my uncles mate is a fairly senior bod in his law firm (seeing as he's the only memeber of staff he employ's

) and he went to court for something similar
not only did he turn up 45 minutes late, he waited for the judge to rant and rave about it before asking why his client (my cousin) was charged with not wearing a seatbelt while riding her motorbike
the judge ranted and raved at the proscution for bring the case to court and threw it out
but this was in india where there is a standard ticket for no seatbelt in a car or no helmet on a bike and the copper ticked the wrong one
so if they can throw this sort of thing out for mistakes like that, they surely putting the wrong speed on a side of the carriageway that he wasn't on should have been easy?
or is it not like that?