Any locker setup should be silent on the GX. Because it's AWD. The rear locker should be silent on all vehicles. The issue that I had was the ARB spider gears in the front diff are pretty crudely shaped due to the forging process. So they mesh in a noisy way. They're not machined at all I don't...
I'm with you on that. I was mostly posting that the 5 cut gears can run silent, but it's just less of a sure thing and they're probably more likely to make noise. But they often do mesh quietly if you get them setup right. And I don't mean that the setup is right in the sense of being a good...
FWIW - I had revolution 4.56 gears setup in my 5th gen 4R. I had a local 4x4 shop in SLC, UT setup the rear diff. It made noise. I pulled it and found that they did a pretty terrible job all around. Shop was named "Orion Offroad" and they are now out of business. The noise was immediate and they...