i feel i was in a similar spot. shoot consistent low 80's, cant break 80 (till this summer) swing is decent, chipping is pretty good. My problem is driver being erratic and putting (i hate putting) and i have a concentration problem.
This year i decided only to take driver out if it really is beneficial to my score and an open fairway on the hole otherwise take 3 wood which i hit consistent as heck and fairly long. If i can chip it closer, make less driver mistakes i figured my score will drop and they did. first time breaking 80 was a 74. then i broke 80 about 10-12 times this year.
IMO, work on your bad shots and concentration