BFG AT KO2

dp2826 · December 31, 2015

Can anyone comment on how the transmission reacts to a taller tire, such as a 275/70/18. Is a tune or speedo recalibrate needed when moving in tire size?

tyrich88 · December 31, 2015

Can anyone comment on how the transmission reacts to a taller tire, such as a 275/70/18. Is a tune or speedo recalibrate needed when moving in tire size?

Some may say yes, but mine is fine. And I have compared it to a stock ride. I will eventually recalibrate, but it's not so drastically different that it bugs me.

I have 275/70/18 KO2's

Coppertone · January 1, 2016

Just picked it up, had them go with stock 275/55/20 sizes and 40 psi front 38 psi rear. Is it weird that coming from stock SR-A tires the KO2s feel flat? Should I jack up the PSI? It just feels really slow/grippy off the line and harder to turn, also a noticeable sound increase at cruising speed.

The KO2s are much heavier than the stock tires, so some of that sluggishness will be because of that.

dp2826 · January 1, 2016

Some may say yes, but mine is fine. And I have compared it to a stock ride. I will eventually recalibrate, but it's not so drastically different that it bugs me.

I have 275/70/18 KO2's

Nice truck! That is the setup I want to go with. I understand I may lose some mpg's going to a taller, heavier tire. I am ok with that, just wondering how these 6 speeds handle the shifting.

tyrich88 · January 1, 2016

Nice truck! That is the setup I want to go with. I understand I may lose some mpg's going to a taller, heavier tire. I am ok with that, just wondering how these 6 speeds handle the shifting.

It handles them fine. If found the only issue I have is when I accelerate to highway speeds aggressively and sometimes it hangs in 5th gear if I put it in cruise too fast.

But if I kick it to manual and shift it up and go back to drive it is just fine after that.

And just FYI, with these tires I'm not too far off highway mpg of stock tires (maybe 1-2)

City is another story though because I put my foot in it too much.

dkwince · January 6, 2016

275/65r20 - RC 2 inch leveling kit. Very slight rubbing, only at full lock in reverse.

Untitled by Dustin Wince, on Flickr

Txjose · January 6, 2016

RC 2" levling kit on 275/60/20s no rubbing at all....

my girls truck

she has had them for about 5K miles now and only took a slight reduction in MPGs not much...her truck came with 3.42s so she is better off them me with 3.08s but I went the mud terrain for that aggressive look.

Edited January 6, 2016 by Txjose

Hall50 · January 6, 2016

I'm looking at getting these but I noticed that each tire is 16lbs heavier than the stock Goodyears is that gonna result in ball joints etc wearing out quicker and am I going to lose any towing capacity? I have the 4.3

No sir I do not I want one but it's a lease idk how my dealership feels about it the service guy said it's ok it won't void anything but some can be a little bit of a liar I am thinking of putting one on tho will that benefit me or make it worse in component wear

LTeddy,

I was wondering how your truck is after your mods. I also have the 4.3. I was looking at your exact set up. I was curiouse on mpg, performance,etc. thanks

LTeddy · January 6, 2016

LTeddy,

I was wondering how your truck is after your mods. I also have the 4.3. I was looking at your exact set up. I was curiouse on mpg, performance,etc. thanks

Not a problem bud, so far my mpg hasn't dropped much though it is winter I'm at about 16mpg but I also remote start my truck constantly to get it to a good temp before driving but during the normal Temps it maybe dropped 1 mpg the performance is so so.. It's a little bit more sluggish since the tires are 22 lbs heavier per tire but nothing drastic.. The snow slush ice rain and dry traction is great I've never had a better traction tire! They aren't real loud they have a slight hum to them at low speeds but it's a music to your ears type hum to me! My ride quality is great with this setup with the level and tires it doesn't feel much different than from the factory.. I would highly recommend this setup if this is what you're wanting I wouldn't change a thing and I don't regret it!

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Hall50 · January 6, 2016

Thank you sorry I'm new to the thread post so I sent you an email too. Glad to hear the truck can handle the bigger tires. Did you recalibrate your computer for tire size. I guess I was more concerned on the shifting rather than the mpg calculations

LTeddy · January 6, 2016

Hey that's OK! No sir I did not do anything but an alignment that's the biggest and most important thing you need after the level

Life is full of regrets.. Buying bfgs isn't one of them!

Coppertone · January 6, 2016

275/65r20 - RC 2 inch leveling kit. Very slight rubbing, only at full lock in reverse.

Untitled by Dustin Wince, on Flickr

Untitled by Dustin Wince, on Flickr

Looks great! How's the ride, mpg, and acceleration?

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dkwince · January 6, 2016

Looks great! How's the ride, mpg, and acceleration?

Sent from my iPhone using Tapatalk

I actually think it rides a little smoother and quieter than the stock tires. Acceleration isn't bad at all.. Im used to driving my old FJ Cruiser which had 34's, bumpers, sliders, and a bunch of other stuff with a V6 so to me the Silverado still accelerates nicely. As for MPG i havent been driving enough to really notice a change, im sure it will go down a little but not much.

Doobs41378 · January 7, 2016

275/65r20 - RC 2 inch leveling kit. Very slight rubbing, only at full lock in reverse.

Untitled by Dustin Wince, on Flickr

Untitled by Dustin Wince, on Flickr

Beautiful truck, beautiful house!

A.J. Curtis · January 7, 2016

I picked up some 285/70-17's over the weekend. I have the Bilstein 5100 adjustables set on the highest setting with weather tech mudflaps and no rubbing so far even in reverse at full lock. I'm very happy with the tires and love the ride! I can definitely feel the extra weight of the tires but it does not bother me.

I'll have to take better pictures!