Anyone run LT235/85r16 tires?

[KevH]

My 2006 2500HD 4x4 crewcab still has its original Bridgestone LT245/65r16 tires.

I'm thinking of going to LT235/85r16's in BF Goodrich K02 or something similar.

Anyone running this size?

[izzy_Britton]

dont forget to reprogram the ecm with the correct new tire size so the shift points stay where they should and your fuel mileage doesnt get screwed up.

i saw a set of this size used the other day but stayed with the original size for simplicity sake.

[Bladeboy1998]

Isn't that the size ford used on their super dutys? Skinny and taller, should be good for mud. I would strear clear of the ko2 though.

[Chris H]

I run LT255/85r16e on my 2005 2500HD Duramax.
BF Goodrich Mud Terrain KM2. I have put about 30k on them.
They look great and slowed down the RPM a bit. I did use a tuner to correct the speedometer to match my GPS speed. I did pick up about 1.5 mpg over the stock size tires.