the best NFL lineman can only do 25-35X... Larry Allen has the record of 41X and he wasn't even locking out when they do the competition at the pro bowl
Ask Ryan: The Strongest NFL Player & More - AskMen <<< old article but tells you what those beasts are capable of. of course nfl guys aren't pure weightlifters, they are football players and strength doesn't beat technique.
so if you are serious that you can go 40 or 45 that is amazing and you should youtube that and put it on here for all to mire.
as for me the most I did was when i was on my tren/var cycle and i nailed 18 all with good form. my max was 355.. not bad for a 185 pounder