Help meeeeeee !!!

Excuse me!! Could i get my old save game, i dont know what happening but after the last time i play the game. It's about 3 weeks ago, and now i click to play the game, it's show me downloading some contents, and then your save game is saved in the new latest version, so i need to update, but i dont see any update version in appstore, so if i want to keep playing the, i must have to delete the game i already have on my iphone, to download it again, and when it's done, i click to play the game, so the game center cant load my old management, so lost old my save game, i lost 10$ and my mustang Gt Razor...
So could all of you help me to getting back my old save game
Thank you !!
Sorry for my english, it's maybe not good
Thank you again !!
My email address : [edit: email address removed]