new seats, maybe something wrong?

hey i just put my new carpet and freshly padded and covered seats into the 68' today and when i sat in the drivers seat i felt like i was sitting in a godamn barbie car :banghead: . my head is pretty much touching the headliner and there is barely any room between my thighs and the steering wheel. it feels like the seat is like 2-3 inches to high. i was just wondering if anyone else had this problem after getting their old mustang seats re-padded and covered. i put 210 lbs worth of weights in the seat hoping maybe that will crush the padding some but i dunno, im kinda pissed about it cuz it's not even comfortable to sit in and i can't imagine driving it like that, any suggestions on maybe something i did wrong or anyone else ever have this problem?