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Hey guys, if any of you have purchased a kit, and were curious how it was made (or you are just curious in general), you can learn more here: How It's Made: Broken Innovation Diff Drops | Bronco6G - 2021+ Ford Bronco & Bronco Raptor Forum, News, Blog & Owners Community

Hey guys, been a while since Ive posted a thread here. I was making a few kits last week and it occurred to me that I have not really updated folks on how these kits are made. The only info out there right now is my original forum post and video on how I made mine from scratch. So here is an...

Square Cube Law: power per liter favors smaller engines all things equal. I think we are getting hung up on different things. For me peak performance is good power and world class efficiency, for you its world class power and good efficiency. As for passing emissions, Europe handles tail pipe...

I'll concede higher RPM = higher performance (as in power) but not higher RPM = more efficient. down speeding has been the trend for that, and for that OHV is more than sufficient, and well worth the enormous packaging advantage. VVT might help, but at sub 3k RPMS (more efficient) the benefit is...

I concede your point for gas engines, which is what basically everyone in this thread is looking for. Shoot for the moon, put some cams on top. But for Diesel (i'm alone in preferring that option here) anyone who designs a diesel motor with overhead cams should be the equivalent of "disbarred"...

I would like to see ratings applied to more trails, there are so many that are still unnamed and unrated. Not sure what all goes into getting them rated, how much traffic is required? Or does it need to be certified by certain users? Anyway, I've found that 8 is the upper limit of what i'm...

I have not! Thats been a back burner project for a bit, been super busy in 2025. I made one prototype where I tried to make a full one piece design that I bend into place and it needed probably a couple more iterations to get right and I never got around to it. At this point I think i'd stick...

That bushing bracket unbolts from the frame too, so you could remove it entirely which may make it a bit easier to inspect the back of the diff and try a tap there. But otherwise yea, I considered what you said with just running an M10 through the whole thing.

hmmm, i'll gladly send you a couple new M12's if you want. I would certainly feel better if you get this thing properly bolted down. Did the bolt threads look mis formed visually? I know getting a tap through the hole would be tougher than running the bolt through a die, but Mcmaster Carr has...

I wonder if theres an issue with that thread, at least it sounds more like a thread issue than a head issue. The exact bolts I supply for this are: Zinc Yellow-Chromate Plated Class 10.9 Steel Screws, Flanged Hex Head, M12 x 1.75mm, 50mm Long If you got the time, i'd try to get a look at...

When you get a chance, can you take a picture of that rear bracket? Right now i'm just aware of two types. The M210 which uses M12 bolts and the M190 which uses M14's Maybe they changed the M210 at some point...

Hey Jason, glad you got it installed. I've heard from others that the rear mount is hard to get done, I thought it would be but for some reason it just went right in. Guess I got lucky! For my clarification, are you getting collision between the head flange and the bracket "pocket" (see below)...

I don't have portals myself, but have always wanted them. From what I see in the video this seems like all moves in the right direction. I generally agree with the notion that you have to plant a flag at some point and you can work on improvements later (or cross the bridge as he said). If you...

I like it, now you need to make the cover clear, and paint the dial Red to make it look very serious! lol

Assume this is true for you (at least i'm not aware of any model year change) but the manual badlands get the same 4.7s as the sasquatches so no deficit there necessarily. I definitely struggle to climb grade at 5th or 6th gear but thats not what overdrives are for anyway. I generally try to...

Geometry could help, but I think the biggest problem is shock/spring tuning. Most folks chase lift and that almost always comes with stiffer springs, or more preload, at the detriment to flex as it gets harder and harder to reach jounce on the loaded tire in "Static" conditions. The stock set up...

I'd like to see options for different track bar mounting locations, since I doubt anyone running this axle is running stock height. Then again, maybe they already baked in the geometry change assuming a 2-3" lift?

Right, and importantly with the 4600 Broncos, even though they have fancy control arms and portals and hydraulic steering, they are still running stock hardpoints on that IFS and aren't excessively wide. The SFA guys usually eye roll when you bring up ultra-4 proving IFS, because everyone talks...

That would be hilarious, a mandatory pit stop to swap a CV axle or something for every racer. Genius. Reminds me of the "top truck challenge" [edit: it was actually called diesel power challenge] where the guys with the built trucks also had to reverse a trailer through an obstacle course...

i'm not sure either but I think I saw that 4th place was a built JL two door, no? (I saw on Facebook) Pretty happy for Jeep to have a solid performance as well, got little attention, and yes, the Wrangler was about as stock as the Broncos, is what it is to win 4600... It's hard to have an...