I thank you for all the advice, really helped me.
5/3/1 is my first serious program, and overall first serious approach to lifting, and after 5 month i can say I have made great progress,
Bench: 355 -->400
Ohp: 245 -->280
Squat: 375 -->560
Deadlift: 365 -->535
Besides progress that i have made in last 5month im still believe Im not past the "newbie gains". I know it sounds weird but in past 5 month i set PRs very easily at 80-90% workouts and I still do it (i had everything mapped out in excel spreedsheet, but i had to format my harddrive and i copied wrong spreedsheet ).
I achieve this only with manipulating TM, pushing very hard last set + 3-5 back off sets + assistance (rows,abs etc), no jokers, no singles, no big volume, rarely my last set ended at 3reps, hell most of the time i was working at 5++reps range. So i have tons of tools if I hit plateu, but to be honest I do not even see any signs of plateau on the horizon.
Of course I would not change something that works great for me but above everything I listen to my body.
For example barbell row is one of my favorite exercises i just love to do it for one big amrap set (320x20), but it works "too well" for my back, and my next day deadlift or squat performance suffers, And I could not allowed that. So I change barbell for dumbbell rows that i really hate, but i dont have any problems with deadlift or squat next day now.
And now my body says that pecs (upper especially) could not handle more weights and it could end up with bad injury. So the priority for me now is to solve this problem before something bad happens
With all your help, I came to this
Low incline Dumbbells press 5x10
Low incline flyies 3x10
Lat work 5x10
45-60degree incline barbell press 3-5s x 5
Lat work 5x10
The changes are small but significant i think. A little bit higher volume (one additional exersise 3x10) , some dumbbells work and after OHP 5/3/1 some more pecs emphasis supplemental/assistance work(incline press and dips). I think it will be sufficient to improve lagging chest.
What do you think?