2 post vs 4 post for long term storage

Dana67Dart said
No , what i ment is that the ceiling at its lowest point to the floor was 10 feet

Yes this. The RTP9 fits under 10 feet, it's like 9 feet 8 or something. Fits right under 10 with room to spare.

RTP9 - 9,000 Pound Capacity Two Post Lift