Re: Registration Year.
If you use all new parts, you can get a new registration. The emissions are dependant on the block age. 1971 will mean just a smoke test. As for the gearbox, unless you kind find documentation to prove it is new, then you could end up with a Q plate [img]/ubbthreads/images/graemlins/frown.gif[/img]
Its all detailed in the SVA manual and the DVLA