All I can say to you Andy and others involved in their various rebuilds is you keep the dream alive and the knowledge of those that went to do their bit for the free world and through you and others we the free people will never forget those that went away.
The thing will be even quieter once you complete the air filtration unit and install it as well as the muffler as there was a fair bit of induction/exhaust noise I gather they were oil bath filters for the air.
I have been following this thread from the first and what a journey one thing you fail to mention is the hours of toil, heart breaking moments, gathering the correct spares or sourcing them this alone would take hours and hours and the shear endeavour of this resto.
Bloke you are legendary status and I think the forum of this site would agree we all await to see it out in the field trundling away, oh and I will say something as a bit of a lark and no offense intended how does your wife cope with this or is she like mine and become part of the sometime obscure endeavours we embark on as blokes. :lol::super::thup::clap::beerchug::cheers::cool::)