Here is the best thing to do.
75 North,, turn right on exit 387 I believe,, that is hwy 26. Exit will also be for the Oaks Mall. Go down a few red llites and turn right on NW 62nd st, that is right beside the Mall. Turn right at back of The Oaks Mall. Big parking lot on the left behind Macy's,, You can park there and ride the Gator Aider shuttle service to the stadium. The same shuttle will also bring you back to the parking lot after the game. Saves you alot of time and pain in the you know what on parking. Here is the attached web page for the Gator Aider.
The below link will allow you to click on maps of the parking also.
RTS - Regional Transit System for the city of Gainesville, FL - Other Services - Later Gator - Gator Aider
If you want to try and park around or near the Stadium Good luck. You take Exit 387 or exit 384 and turn right off either of those to get to the stadium. I go to alot of the games and the best bet is to park at the Oaks Mall and ride the Gator Aider to and from the game. It drops you off right at the Stadium and Leaves from the same spot like 5 min after the 4th qtr till like 30 min after the game or something like that. It cost I think 10.00 per person to ride it. Parking is free at the Oaks Mall in the back parking lot.
The shuttles will depart the Mall for the game about 3 hours before game time. So you will have plenty of time to make the gator walk and all that.
Hope this helps. Let me know if you need more info.