235 to 30"?

[dburton07]

how much would i be affected as far as gas mileage if i went from a 235/75/15 to a 30/9.50/15? how much is the size difference in the tires?

 

[dburton07]

cool, now i just gotta save up the dough for the tires. i like the BFG AT's

 

[dburton07]

yea no kidding, my truck needs an alignment really bad right now