there are kits that level the front and supposedly don't cause any issues. 2" is about max you can go. The issue beyond that starts with the upper ball joint. From what I understand, is that it is not secured in the upper control arm very well. when the angles put on it from leveling, the chances of it popping out greatly increase. Hence the reason for new control arms with a better ball joint cup design. The new upper control arms are generally a different shape, and that is where the issues come from with larger tires and rubbing. However, there have been reports of stock tires rubbing on stock control arms as well. If all you want to do is level it slightly, I would just get a 2" kit with a Magneride adapter, and be done with it.
these are for the trucks that came with stamped steel upper control arms. I don't see any issue with them fitting, but I am not positive. I would call Cognito and ask. If I can't return them, or get charged a huge restocking fee, I will sell them. I am in CA. I paid $513 (plus tax, shipped). Depends on how much shipping would be before final price
i have the readylift with the conrol arms. i had factory 22s with the 285/45. the tire just barely rubbed the leading arm of the control arm at full lock. maybe 1/16 of an inch. i welded steering stops from the Zone kit (come with BDS kit as well) onto the lower control arm factory steering stops and the rubbing went away. there was about 1/4" clearance after. I have a set of cognito control arms that have a much sharper angle to the ball joint on the front leading arm. i believe these will eliminate all rubbing with my new wheels and tires. however, i need to make sure they will work with the magneride sensing arm before I install. Once they are installed, there is no going back. I will be doing lots of investigating today.
you don't have to cut the drop stop as mentioned. the down travel will be limited though if you don't i asked cognito if the knuckle needs to be drilled. yes it does. i have a brand new set sitting in the garage that I don't think I am going to install. I think I am going to get a new truck. I just got them last week. They are built, but not installed. I will sell them for a good price
can you post a part number or link to the extended thread lug nuts?? I have a set of the wheel spacers. I may choose to run those. I did try them a while back, but noticed vibration about 1/2 block from the house. I have new control arms, but I may return them. I don't know about the installation of them. If I do install them, there is no going back (the spindle mounting hole needs to be chased bigger). It might be better to just run the spacers. I will probably end up selling this truck and going back to an HD
I have the Readylift UCA. the stock tires just barely rubbed at full lock. I got the steering stops from a Zone leveling kit and welded them onto the factory steering stop on the lower control arms. after that, there was no rubbing. there was about 1/4" clearance between the tire and arm. I figured with the new wheels, less offset, and same width tire, the set-up would clear just fine. But the new tire is clearly wider. It is actually the sidewall that is rubbing. the guy at the tire shop said as the sidewall profile gets taller, the tire will bulge out. That is exactly what is happening. and it is only at full lock.
you are rubbing because of the offset of the wheel and the Readylift UCA. The UCA has a very prominent bend in the leading arm, exactly where the rub is . I have the same set-up. I had the 285/45-22s from the factory (+24 offset wheels) and they rubbed. I welded on the lower steering stops from a Zone kit. Those limited steering just a bit, enough to eliminate rub. there was about 1/4" between the tire and control arm after. I figured with new wheels (less offset +18) and same width tire (285), I would clear just fine. well I was wrong. the new 285 is much wider than the factory, they rub good at full lock. I have wheel spacers (1/2") but I don't want to run them. I am not a fan. If you get the steering stops from a Zone kit (just call them and they will sell them to you), weld them on, you will clear the arms. After studying pics of the Cognito control arms, and comparing them to the Readylifts, I am pretty sure the tires will clear. The Cognito leading arm has a much sharper, straighter angle to the ball joint. It is not rounded like the Readylift. The new arms will be here tomorrow, and I should have them installed by next week.
ball joint popping out may be a concern. I put Readylifts on for piece of mind. I am swapping them to Cognito. My tire rubs the leading edge, I feel the cognito will clear. My Readylifts will be for sale for a good deal shortly
i have this kit. my truck had 285/45-22 on the factory wheels (+26? offset). the tires just barely rubbed the control arm. So I welded the steering stops from a Zone kit onto the lower control arms. The rub was completely eliminated. I bought +18 offset wheels (even more clearance) and put a 285/65-18 tire on them. Theoretically, the tires are the same width and the lower offset of the wheels should have given me plenty of clearance. well, that is not the case. the tires rub the control arms. It is obvious the tires are wider than the factory tires, even though they are both 285s. I bet If I went with a different tire in a 285 (BFG vs Duratrac) they would not rub. So I would say to be safe, run a 275 width. you may be able to run a 275/65-20 without any issues
kylant replied to f8l vnm's topic in 2019 Chevy Silverado & GMC Sierrabumper steps are useful. I never used the tailgate step on my Super Duty. this bed step is an eyesore. can one get the truck without the step??
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