I'm with Steve, Hev and scedd.
I have driven LHD cars in the US when I was younger.
Both my 65 convertible and 66 coupe were RHD when I bought them (both were converted in Victoria).
Our drive on the left roads require the driver to be on the RHS of the car.
It's quite simple really, it IS safer to be on the same side of the car as 99% of the rest of the drivers in Australia.
That's why Ford converted the ones it imported and sold here.
It's also easier at the Macca's drive through!
My cars have an XF Falcon Power steering box, one has an RRS strut front end with their disc brakes and rear disc brake kit, the other is original with a Hopper Stoppers front disc brake kit up front, and the original drums on the back. I'll probably put rear discs on it as well as one of the drums likes to lock up.
I've also fitted a ZJ Fairlane steering column to the convertible to give me stalk controls for the wipers, horn and dip switch.
If you want to convert it because YOU think it's better and YOU will feel safer and more comfortable driving it the DO it.
Leaving it LHD only matters IF you think you can sell it back to a yank who wants to take it back to the US in the future. Those who think leaving it LHD for originality are kidding themselves, it only matters for concours, and then only a few points.
Cheers,
Warwick
3 RHD Mustangs and proud of it!