I just did my 2nd oil change with the Gas Truck Rotella 5w-20 after taking it to the dealer for the past year and half for all the oil changes. Haven't had any problems, it seems to run great with it, and the consensus on bobistheoilguy.com seems to be good as well.
Did your leveling kit come with sensor relocation brackets? There are leveling kits specific to the Magneride system that include these. If not, then the Magneride system thinks that your suspension is in extension by the amount of the lift and is adjusting the shocks stiffer accordingly. You either need to get a kit that has the sensor relocation brackets or have a dealership perform a Magneride relearn procedure to set your new height as the zero height.
https://appdevelopermagazine.com/gm-releases-ngi-sdk-for-developing-infotainment-in-vehicle-apps/ I just registered as a GM Developer, I am going to try to make an app that will display real-time engine data on the Info screen. I'll post back once I've got something working.
Thanks! They are 295/55R20 Ridge Grapplers, and 1.5” SuspensionMaxx Magneride level kit. I tow my boat in the summer so didn’t want to go too high in the front, I still have about 1.2” rake front to rear. Tires don’t rub at all except at 100% full lock I get some slight rub on the sway bar but that’s it.
You would have to ask the dealer to rezero all the shocks, they work together as a system, so you just tell them that you need to reset/zero the Magneride system because you’ve done a lift. There are lift kits that are designed for the Magneride system that will come with the relocation brackets for the sensors to keep them at the same setting. This is what I used for my front level, and I recommend doing the same if you are doing a full lift, just look for a lift kit that is made for the Magneride system and includes new sensor brackets.
If you alter the height front or rear the shocks either need to be re-zeroed at the dealer, as each shock has a sensor on it that measures the height, ie. shock travel, and adjusts the damping based on where the load.
To summarize the thread, if you get a general leveling kit, the Magneride will ride more rough, unless you have a dealership re-zero the Magneride calibration. If you buy a Magneride specific leveling kit that moves the sensor arm to compensate for the level, then you should be good to go with the same as stock ride. (or very very similar as the geometry changes with the level). I went with the 1.5" SuspensionMaxx Magneride level kit on mine and the ride stayed exactly the same as stock.
Thanks! Yeah it’s a 2015, just got it in May. The paint didn’t seem bad before, until we stripped the wax, clay barred, and got some good lighting on it, especially with the detailing light. I would 100% say that it was worth it. Paint is incredibly reflective and smooth now, and water won’t stay on at all, cleaning is so easy. Expensive, but worth it.
Yeah that seems a tad high as well. I paid $38k for my 2015 Denali, but mine had more miles, 54k, but mine also has the 6.2, sunroof, and all other available options, except for the 22" wheels, which I prefer the 20's anyway.
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