I need good original injectors to a K11 1.3 , maybe up to three sets if you give a good offer on them all ;)
And only offer if you can post to Finland.
Also fuel pumps in good working order needed.
It´s not good for the gearbox if you drive at 30mph in 5th gear.....these K11 and other nissan gearboxes are "famous" of lubrication issues (main bearings failing/5th gear not keeping in/etc) and overfilling is not a bad option. And if the gearbox has bearing issues then the fuel consumption...
Same size as the old ones. If not sure about the threads, then try different kinds of bolts until you find fitting ones. You can always measure the threads from the old ones with a proper tool if there is even a bit of thread left at those.
With that long being not serviced you should change at least these:
Also cleaning the maf wire and re-soldering the throttle body should be done.... New fuel pump would be next to check if those jobbies dont help :)