I have a friend win a 07 auto with 4:56 gears and he wants to bring his truck back to stock. I am going to trade my front and rear 3rd members for his. The thing is, I have a manual trans and 3:90 gears stock. He has an automatic with 3:73 gears. We both have rear lockers. Will the 3rd members fit with no problems? Any help would be appreciated. Tom