Well, it's about time to regear. I'll be running 35s soon and I need to know what to run (currently runnin 3.73s on 33s). I have a 350 and TH350. Since I don't have OD, should I run 4.10s? I want to run 4.56s b/c I plan on going up to 38s, eventually. thanks for all the info.