Quote Originally Posted by wbute View Post
Yeah and it list standard motors available by the manufacturer as one of the exemptions. So a fuel injected motor would not fall in this exemption meaning it would need a certificate. As for where it says you cant put them in an older model at all I have not found.
The NSW RTA simply go off the engine block prefix - that's the only ID they have for a motor type. They don't know if it's a carby or EFI.

This is why you can put an EFI top end onto a QT prefix motor, and do nothing else, but if you put the VU prefix block into a VK you need to fit a cat convertor & ULP filler neck - even if you put a carby top end on it!