Try the 4.10, if that ain't enough you can always go to 4.3 or 4.56. Too much? drop back to 3.73.
NO BS, I have 4.3's in her right now, "factory" gear ratios in a TKO with a 28" tire, and I'm putting in 4.56's!!!!
I'd go 4.3 from the get go. Trust me.....
One of my top 5 favorite sayings in this "business":
"DON'T FEAR THE GEAR!"