Agile Offroad Twin Traction Beam TTB Questions

[1der]

Ah, no. But rotor for the big brake kit is Centric 120.65.12

Premium Rotor, 13.50" X 1.50", ford Super-Duty

120. 65.12

 

[RVflyfish]

Right, but unfortunately Centric 120.65112 is 8x170, and like you said, my axles are 8x6.5.

That’s why what Agile did on SwellRunner’s setup is so intriguing. If I were able to make 8x170 work, I wouldn’t stop at 13.5” rotors. I’d go for the 14.3’s off 2013+ front axles.

 

[1der]

Maybe they drilled them out. That was the parts list they provided with the brake upgrade. Definitely 8x6.5 bolt pattern.

 

[1der]

I just checked the Centric 120.65112

Rotor Bolt Circle Diameter:
6.50 in

 

[RVflyfish]

I was seeing conflicting info on vendor sites. So I went to Centric’s. It says 8x170.

Not trying to be argumentative. It’s just that I would LOVE bigger brakes. So I’m trying to find what will work.

 

[swellrunner]

Ray did you ever confirm this? Are your wheels 8x6.5 or 8x170?

Did you ever find out more about this? I’m doing a homebrew TTB conversion, and over the hub rotors would be a lot easier to work with down the road than behind the hub.

My rotors are 100% over the hubs.

 

[swellrunner]

Reading through this again I realized I never did a follow up. I got everything reassembled. And after putting roughly 1,000 miles on it all and measuring hub temps, they’re a consistent 110-115, a little warmer than passenger side but totally normal.

During reassembly, I initially had a difficult time getting the Warn hubs in because the stub axle wasn’t perfectly centered in the spindle. I was able to get it centered by turning the steering wheel and raising and lowering the drivers side (with the jack), to finally get it aligned. Once it was lined up, the Warn hub slid right in.

The spiral locking ring was a booger to get in but I found that you just gotta be patient.

 

[RVflyfish]

My rotors are 100% over the hubs.

So interesting. It’s like you have a unicorn. Were you ever able to confirm if your spacing is 8x6.5 or 8x170?

 

[swellrunner]

I spoke with Jesus at Agile who told me all of their TTB conversions were built like mine.

I was getting confusing readings off the plastic Amazon gauge I bought to check bolt pattern when attempting to get a reading from the outside of the wheel. I need to try again from the inside of the wheel as I believe it will be more accurate.

I have not done so yet.

 

[RVflyfish]

1der and I have been talking. Looking at your last pic and the work list, it seems Agile drilled the rotors to fit 8x6.5 spacing. That’s wild to me, because unless I misunderstand, the new holes have to be perfect or the rotor will spin out of round?

 

[swellrunner]

The rotors slide over the stud bolts and are held in place.

 

[RVflyfish]

Yes, I get that. But if the new holes are drilled even slightly off, the rotors will be held in place in the wrong place. Then they won’t spin true. They’ll oscillate up and down.

To be clear, I’ve never heard of anyone talk about this happening. So tip of the cap to Ramsey and Agile. Skills.

Edit: Ray pointed out the rotor is likely hub centric, so the hub will keep it centered.

 

[Big_ern_101]

Rotor definitely has been drilled from 8x170 to 8x6.5. Not sure if its hubcentric from the pics but thats easy enough to confirm with a caliper.