Legality of swapping engines? Certification process?

[ellipsis]

...we are not on the planet long enough to worry about a small thing like 100cc...fuck the 'what if' scenarios...we ain't here to fuck spiders and wank flies...get on with it...

[the oldstuff]

you make a valid point ellipsis. I concur 4 beers after my last prognosis

[Tarded]

I think those swaps are perfectly legal as long as you document the number changes. As for 350ing a 250 secretly, have an accident and you are fucked.

And where do you send the new number?
Nobody in the motor trade bothers, or at least a few years ago when I was doing ti they didnt.
NZ doesnt give a shit, some other countries do from memory.