Quickest way would be to snip the old belt in half, then run round all the pulleys with the tensioner set roughly in the middle, mark where it overlaps then remove and measure.
Then buy a belt closest to your measurement.
Bulbs are an easy job, driver side can be fiddly due to lack of space though.
From memory they are H7 bulbs, I would recommend Osram Nightbreaker Plus, much better light output.
Open bonnet, locate the caps on the back of the headlights, twist to remove it, unclip plug on the bulb...
It all depends on how rusty it is really, they have a tendancy to rust inside the sills and rear arches which isnt noticable until its too late and if left its very time consuming/costly to repair.
Unfortunately they arent really collectable. A clean car with good MOT will probably go...
Did another day at Combe once it was repaired. Real hot day with lengthy sessions, rear brakes were getting hot, so it was time for some cooling.
Whilst I was working the rear end I thought id do the panhard rod conversion.
Pulled the rear quarters and prepped ready for...
Slightly raised ally floor
After this I went to anglesey. Trailed on the replacement trailer for the one that was too small. On the way home things didnt go well... tow car and trailer written off.
Bent up the rear beam on the N15 aswell
Replacement beam and link...