Whenever i get into my power armor, any of them. it doesnt increase my carrying capacity. I actually lose 10 pounds cause before I get in i can carry 320 but when i get in it drops to 310. my armor has all parts equiped to it and I have repaired all parts to 100% as well as painting them all to increase the strength but nothing works. Any ideas on why this is happening?

What's your base strength stat? And do you have pocketed armor pieces equipped, if so how many?