Living in Oregon we get some snow but lots of rain. I don't do automatic car washes but I do have a multi nozzle attachment on wheels that connects to my pressure washer to keep the underside clean. I also ceramic coat all my vehicles.
I've put 160K miles in 12 years on my 2014 SS Sedan and...
I do all the maintenance myself, I have trust issues. LOL.
When I sold my 99 Suburban I put 268K miles on it and it still looked like new on original paint and everything still worked.
2" spindle drop in front, 3" spring drop in rear, Hellwig swaybars, 16.2" 6 piston Brembos in front, 6th Gen SS 4 piston Brembos in rear, 305/45/22 General Grabber UHP tires. Also did a non-AFM cam setup over 50K miles ago and getting mid 20s mpg.
No issues, just need a big socket for the axle nut and good pneumatics. I had to take things apart recently when I installed the 16.2" PPV Brembo brakes that required a bigger brake shield.
Yes, used the OEM front swaybar endlinks. The resr swaybar comes with adjustable endlinks. Even with my 2"/3" drop all is good even after 70K+ miles of use.
Been 25,000 miles since replacing the struts & shocks on my 2018 Yukon Denali with the cheap Ebay "lifetime warranty" mag-ride struts & shocks. So far all is good. For the price I paid if they fail now I still consider it a win.
When they do fail I will buy replacements then see how that...
Been almost 3 years & 70K miles driven since installing the Hellwig swaybars and I still feel they are the 1st upgrade to do to these vehicles.
With almost 140K miles on my Yukon it is running & driven better than new. The Hellwig swaybars are still doing great and I do enjoy the curvy...
After doing the speedo correction using GPS over 36K miles ago I compared actual calculated mpg vs what is displayed and the numbers were within .1mpg each time I checked.
I recently upgraded to Brembo brakes on my 2018 Yukon Denali with 134K miles on the original brakes that still had 40% pad life left. Brake life is so driver dependent.
I would only use ACDELCO LS7 lifters from what I've read. I did my AFM delete over 50K miles ago using ACDELCO LS7 lifters & LS2 trays. Aftermarket trays can be sloppy & cause lifters to fail.
I just got back from 1,100 mile roadtrip with over 4,000ft elevation changes, saw some rain, snow...
Been 10,000 miles since replacing the struts & shocks on my 2018 Yukon Denali with the cheap Ebay "lifetime warranty" mag-ride struts & shocks. So far all is good.
Just got back from a 7 day roadtrip and the big brakes didn't hurt the mpg too bad. Lot of mountain driving so +4,000ft elevation changes, rain, snow & high winds with over 1,000 miles of driving and got 22mpg. Also had a few remote warm up starts, many drive thru stops & 80mph speed limits...
With those 16.2" rotor & 6 piston calipers I've read gas mileage takes a hit. I've never seen a tank less than 20mpg in the 80K + miles that I've owned it. Has 134K miles now.
My 1st 50 miles after the new brakes I was at 17.7mpg. Have about 200 miles on the brakes now and last 50 miles was...
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