Man you've got a Question.
Try this
http://www.speedworlddragway.com/Streetnationals.html
Edit ....I wrote all info below, before I remembered about Speedworlddaragway- wich is Race Rock
( I've never been but it looks very interesting)
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Getting a sports bar to turn off Nascar or Football is tough when only 2% of Americans whatch F1
I know the Ferrar guys usually get together at bars or clubs that cater to Italian food

.... you might try
www.ferrarichat.com and see if there is any group gathering or party planed in Orlando for the race. ( you many have to leave the park and drive into Orlando, but it would be a lot of fun)
Otherwise I'd try to find someone from the Brazilian community.
I'm sure those guys will be having a party somewhere?
At Disney....ESPNzone is on the boardwalk behind Epcot... that's the big sports bar, you might check with them....maybe they have a F1 party booked? But its a long-shot.
Also... a few miles down the road is Sand Lake Road ( 100's of theme resturants ) one of the places was a car and racing themed museum... (probably a lot of Drag Racing and NASCAR) but I"m sure they will have the F1 race on ....its a big place.
Also... I know they have a NASCAR track at Disney.... maybe some of the guys might be watching the race over there. ( They might not want to admit to it..... the old joke- I like FAST-CARS not NASCAR)
Not sure if this is it...or another possablity-
http://www.racerock.com/racerock/index.html