Finally got my FB back together today and it is working better than ever after fitment of a whole load of parts. Best buy being a warehouse clearance NOS fan clutch which makes everything a whole lot quieter than with the old worn out one which had fan running at full speed all the time.
I also bought a new pair of struts for the rear hatch, as I have been fed up banging my head all the time I used it. These came from Lift Supports Depot in the US, and were shipped very quickly and were at what I thought a reasonable price. Electrics for rear de-mister and wiper were easy to fit to the new strut. I purchased through their ebay shop rather than direct from website and price was a few $ cheaper.
http://www.autopartsbylou.com/lift-supports-product.php?item=10210&qty=2&make=MAZDA&model=RX7&year=1985&type=Rear%20Hatch
Also a word of warning. I bought some new rear stabaliser links from Rock Auto. Beck Arnley part 101-4277. I could not get these to fit on my car as gap between top and bottom rubbers is not as long as Mazda part and the washers rub on the chassis. I had to refit the origional parts and will now get some replacement rubbers instead.
Picture attached as a comparison.
I did fit new stabaliser links to the front, which were these larger diameter rubbers/washers, however the lengths were much closer to origional Mazda parts.
If anyone wants a pair of these Beck Arnley parts for another application let me know, as otherwise they will just be collecting dust in the garage.
Dave