35's and the speedo
 

i was told that 35 clear stock suspesion withlittle rub at full turn but that i need to recalibrate the computer for increased tire size and that the tranny wont function welll i am just concerned about the operation of truck not the rubbing any input is appreciated

yes, they may rub some but, the only concern about running larger tires is your speedo will be off a few mph. It will drop your rpm's a little to

the speedo is off big time... lower speeds its not too bad but @ 70 on the speedo U R actually going 78 mph...