Originally Posted by
Marcyg
Only thing is, I don't have actual proof the engine is 91. I know it is, I helped pull it out a J plate saff! I know the engine very well, but it's my word against the testers, unless there is a way of checking the build date through the engine number?
my understanding (and i maybe wrong here) is that if the mot tester cannot find an exact match for engine & car in the analyser database, the test must be carried out on a non cat basis.
James @ MSD will be the best person to answer if he see's this post.
there is a flow chart somewhere on the net and i'll try and find it