The passenger side mirror is mounted about 3/4" more towards the rear of the car than the driver's side mirror (flat). This just frames the curve of the mirror with the curve of the vent wing lower front side. It is reasonably useful but it is a convex mirror too. It allows you to see the RR fender area if you don't mind "craning" a bit. The mirrors are Lucas knockoffs that I got from Moss Motors, I wish the arms were a bit longer but, for the price (and the availibility of the convex style) I am pretty happy with them. I think that some sort of useful mirrors are a 'must' with the 4/544 body style.
The carbs are pretty well in balance and tuned fairly well too, driveablity is as good as any B16 car that I know of (and better than I remember them). It produces reasonable power and the thing purrs like a kitten at idle except when asked to do so when standing still for a while on hot days.
Its a hoot to drive except for this minor problem!! I am even starting to like the 3spd. - double clutching practice!

Cheers!
OK
PS The interior mirror is one I 'adapted' from a mid 60's Ford Galaxy, it gives a bit more of a view than the tiny original!