As all the greats always say find what works for you for yourself. Can't say enough about how true that is.
I had the same as you, shoulders hurt a lot frequently. I am 6'5 and i moved from middle finger on ring to about 1 3/4 - 2 feet apart. WORLD of difference, you'd think more tris but for me I feel a massive squeeze, no tris and my bench shot up about 80lbs in 3 months and added 2 inches. -obviously tris but chest definitely getting hit more
I am tall but for some reason I squat bench and deadlift narrower, feels way better for me. Not telling you to do this but give it a shot for a month and check progress
And tuck those shoulders! Scapulas in and down
And dont lock out until last rep, push right to top you have to flare out your shoulders meaning next rep is shoulder land. Go 4/5 up, dont lock elbows.
side note: guy at my gym who loves his lock out on incline went unstable at top lockout with 120s, his arm externally rotated (suppinated) then fell straight down and anteriorly dislocated his arm... it snapped right back
Equals: do your rotator cuff training prophylatically!!!!!