ok, a front strut brace from a ae86 with fit onto a ke70/ae71,
the rear strut brace from a ae86 will not fit onlt a ke70/ae71
front coilovers for an ae86 will fit onto a ke70/ae71 though you will need steering arms from an ae86.
the rear coilovers for an ae86 wont fit, you can make them fit with alot of modifications
mine does the same thing man, i fixed up the timing which helped it a little but sometimes still does it, though i havent had a service in ages. so I'm due for a fine tune and service which will fix everyhting up