he also doesnt remember doing it later when you talk to him about it when he has calmed down. its like when he gets angry he blacks out and dont remember. -- your words
Have you discussed the above comment with your family doctor? I'm wondering if there is far more here than just "behavioural" problems. I might suggest you post on the Child Behavior Expert Forum where a medical doctor with a speciality in this area might be more able to help you. All the best ...
Could you allow him choices of times when he has to do the chores, or do you tell him he has to do it immediately ? sometimes children do get upset if things are demanded especially if they are busy doing something else .so instead of telling him 'Go clean up your Room ' say ' Do you want to clean up your room before dinner so you have time after Dinner to watch TV same with homework , is it written in stone that a time frame is adhered to ?
anytime he gets in to any kind of trouble, ex. dont wanna clean room, dont wanna do homework etc. he balls his fist up tight and breaths really deep n hard face gets red
What is it that triggers this behavior, what happens just prior to a tantrum as you have described ?