Hey nutty you should post some pics of your rare beast. I think you will fly faster if you got rid of those american governing control of japanese car sales inhibiting bumpers. The Jap ones we find here in Aus, look a sillion times better than those ugly things that jap cars were forced to have to reduce sales rather than the supposedly crash safety crap.
The provisions should be there even on the panels as contours to suit the originals.
As for the carbs and other bits keep a look out in the trader on your side of the world DD pointed out some goodies.