Hey Roman its probably you reading i saw a lot of threads about sevtech ages i read couple of them and i saw your problems but when sevtech came out i could barely play it then i stoped but i tried it this week and it is smooth sevtech ages moderators realy fixed modpack to be less resource hungry i am begging you if you could try add sevtech so me and my friends can enjoy sevtech and probably a lot of others.
I hope seeing you soon.
HŽ