I tried to write you back but your mailbox is full (your sent letter goes into your sent box & takes up slots as well). But 35 mm for both wheels should be fine. I have 38 mm on my fronts & it just barely rubbed against the caliper, with an extra 3 mm you should be OK. Also unless you are severely lowered (1.25" or more) I would go with the 245's up front & 275's in the back.

 

thanks i wasnt certain. i will be getting 35mm all around.