Body Mount Chop

Who out there has done the body mount chop?

If you are running 285's or bigger, and did not have to do the BMC to prevent rubbing, what are the details of your lift, tires, rim size, etc

I did one on my 4runner... Used a cut off wheel on a die grinder and cut the excess beyond the mount off.

I am running 255/85/16s BFG KM2s. They are 33.3x10x16. This is about 1/2in taller than your average 285, but more narrow. I have zero rub. The smaller width allows for the taller without a BMC and gives more room around the UCAs. I am running a 2.5" spacer lift up front and a 2" coil spring lift in the rear. I measured my height before and after the lift/tires and I am sitting 4 inches higher. I am not sure how all that added up, but that is what it came out to be.

These tires are also only a couple lbs (1.5 I think) over the stock BFGs. This has helped lessen gas mileage loss.

Brian wrote:

I am running 255/85/16s BFG KM2s. They are 33.3x10x16. This is about 1/2in taller than your average 285, but more narrow. I have zero rub. The smaller width allows for the taller without a BMC and gives more room around the UCAs. I am running a 2.5" spacer lift up front and a 2" coil spring lift in the rear. I measured my height before and after the lift/tires and I am sitting 4 inches higher. I am not sure how all that added up, but that is what it came out to be.

These tires are also only a couple lbs (1.5 I think) over the stock BFGs. This has helped lessen gas mileage loss.

This is VERY good to know!!! Thanks!

I like the idea if no chop and better gas mileage. Sounds like a good compromise for tires.

I'm running GY Duratrac's, 285/75R16 (33.1" tall x 8.7" wide) instead of the 285/70R17 (32.8" tall x 9.1" wide) most run. You can tell the difference when sitting next to a vehicle with the 17's, otherwise looks the same.

I've also got the OME medium lift. I didnt measure before/after, but the OME lift usually runs between 2.5-3" of lift.

I'm wearing Raceline Renegade 6 wheels (16x8) with 0mm of offset and 4.5" of backspacing.

I have not done the chop and do not rub.

totald wrote:

I like the idea if no chop and better gas mileage. Sounds like a good compromise for tires.

Not really a compromise. In most conditions the narrower tire should provide better traction. From when I researched the only time it would be a disadvantage is when riding through 2 ft or more of loose mud or sand. This is also if you do not need the look of the wider tire. 285s run about 1" to 1.2" wider.

i am running 285/75 17s and i HAD to do the BMC...i also have to run 1.5" spacers to accomodate the aftermarket wheels ..(brake caliber thing)...

I ran a 285/70R17 that only rubbed at extreme angles with wheels at full lock.

I'm currently running 295/70R17 with 1.5" spacers and they rubbed violently before the BMC. I just used a side grinder in the driveway and chopped some off and no more rub.

Yeah the BMC is easy easy to do...took me about 5 minutes each side. angle grinder with a cutting wheel. draw a line with a marker and cut it off..not worried about welding it shut at this point..found some black pain and painted all the exposed metal and then drove to URE...that easy!!

bigdogdewey2 wrote:

Yeah the BMC is easy easy to do...took me about 5 minutes each side. angle grinder with a cutting wheel. draw a line with a marker and cut it off..not worried about welding it shut at this point..found some black pain and painted all the exposed metal and then drove to URE...that easy!!

That is the most important step. I am really wanting to get back out there. We need some snow so I have an excuse to run Richland or Hurricane Creek road.

yeah i would love to see some snow...love to do a snow run this year...we neeed to make sure our western Carolina members keep us in the loop with the weather...

I am definitely down for some snow fun

Brian wrote:

We need some snow so I have an excuse to run Richland or Hurricane Creek road.

bigdogdewey2 wrote:

yeah i would love to see some snow...love to do a snow run this year...we neeed to make sure our western Carolina members keep us in the loop with the weather...

totald wrote:

I am definitely down for some snow fun

Thats what I've been waiting on....I think we've reached a concensus!

285/70/17 BFG AT T/A's, no rubbing. 3inch suspension Rough Country stock wheels.

Brian wrote:

I am running 255/85/16s BFG KM2s. They are 33.3x10x16. This is about 1/2in taller than your average 285, but more narrow. I have zero rub. The smaller width allows for the taller without a BMC and gives more room around the UCAs. I am running a 2.5" spacer lift up front and a 2" coil spring lift in the rear. I measured my height before and after the lift/tires and I am sitting 4 inches higher. I am not sure how all that added up, but that is what it came out to be.

These tires are also only a couple lbs (1.5 I think) over the stock BFGs. This has helped lessen gas mileage loss.

Brian, can you give me an update on you experience at this point? Are you experiencing any rubbing? Can you provide some detailed pictures of the tires and the truck? Are you happy with the noise? Gas milage? Wear on the tires? Ride of the truck?

PS dont forget the pictures

No problem. I have had them on for 7500 miles now. I have no complaints. No rubbing.

I am getting about 1 mpg less than what I was with my stock set-up. However after I put the tires on, but before I put my Budbuilt skids on it was around 0.5 mpg less. So I am attributing about half of the 1 mpg to the tires. I do correct my mileage for the change in diameter of the tire.

They are noisier than the BFG ATs, but I imagine any MT would be. This is my first set of MT tires. The ride feels like a stock ride. At very low speeds you can feel the treads, kind of like driving on cobble stones. This is only at 0-15 mph though.

From a trail standpoint these things rock! I have never really felt a loss of traction that hindered me from doing something. (EDIT: Last trip to Richland Road it was very wet/muddy and my FJ didn't make it up the hill. However noone else could either. I will get my revenge this weekend!) I have been with others whose tires would spin and lose traction and mine, taking the same line, bit and went through.

Here is a link to my Lift/Tire thread in the blueroom. It has several pictures and more details. I can give you more pictures if you like but that will have to wait until I get home. Work doesn't let me access the photobucket/image hosting sites. (I am amazed this one isn't blocked)

Lift/Tire Thread

If you are looking for something with a little bit more road manners, but in this same size, Toyo has 2 tires that might be an option. Both are a little heavier than the KM2, but have less aggressive tread patterns.

Their open country MT comes in the 255/85/16 size and measures to a nice 33.5 diameter. They have better siping for wet road traction.

http://toyotires.com/tire/pattern/open-country-mt-mud-terrain-tires

They also have their m-55 tire. It is more of a commercial tire, but several people are running them on their vehicles. Every one says they are tough and can take a beating. They do not have a very aggressive looking profile though due to the intended commercial use. They are also measuring at 33.5".

http://toyotires.com/tire/pattern/m-55-commercial-truck-tires

I hope this helps.

My price for the 5 tires, mounted and balanced, and lifetime rotation/balancing was only $1250.