I have an 8spd and go with the Mobil One Synthetic LV ATF HP Dex-VI (p/n 124715). This is what is used at the dealers. I like Mobil One products anyway, and I know GM uses Mobil One quite a bit now, so there's a piece of mind of not worrying about a possible warranty concern down the road. Links below. https://www.speedwaymotors.com/Mobil-1-124715-Synthetic-Automatic-Transmission-Fluid-6-Quarts,388553.html?gclid=Cj0KCQjwlN32BRCCARIsADZ-J4tN-1ABS3gVTB-pTTIGbL0oSxo50ULZ7pBT5fnTFYIpZ9jCBsV8yfoaAriGEALw_wcB https://www.amazon.com/Mobil-124715-Synthetic-Quart-Bottles/dp/B07Q3H159N https://www.summitracing.com/parts/mob-124715 https://www.walmart.com/ip/Mobil-1-124715-Synthetic-Automatic-Transmission-Fluid-6-Quarts/332172799 https://www.napaonline.com/en/p/MCL124715
Lift Stuts, Upper Control Arms, Rear Shocks https://www.roughcountry.com/ Wheel Spacers: https://www.amazon.com/gp/product/B01NH7KB1U/ref=ppx_yo_dt_b_asin_title_o02_s01?ie=UTF8&psc=1 Rear Lift Blocks: https://www.amazon.com/gp/product/B017WO24D2/ref=ppx_yo_dt_b_asin_title_o02_s00?ie=UTF8&psc=1 Tires: https://www.amazon.com/Yokohama-GEOLANDAR-G003-All-Terrain-Radial/dp/B074V6XJT5/ref=sr_1_5?crid=2W9EW4UOIJ7G7&keywords=yokohama+geolander+mt+g003&qid=1571860978&sprefix=yokohama+geolander+mt%2Caps%2C178&sr=8-5 If you went taller, I wouldn't think you would have a rub. For warranty reasons I didn't want to go over 4"
2017 GMC Sierra 1500 SLT 2wd. 3.5" Rough Country Loaded N3 Lift Stuts, Rough Country Upper Control Arms, N3 0-3" Rear Shocks, MotoFab 2" Rear Lift Blocks (I removed the stock ones), 2" Hubcentric Wheel Spacers, 33"x12.50"R20 Yokohama Geolander M/T's on Factory GMC 20s. Slight rub on felt wheel liner at full lock, minor trim needed.
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I have a 2017 Sierra 2wd. Looking to install a 2.5" Rough Country Leveling kit with adjustable Bilsteins. I want to keep my stock 20" wheels and put on all terrain tires. What would be the largest tire i can install without having to trim?
I looked into all three of those companies a month or two ago and I picked the UPR dual valve with css kit for my 6.2L. I have a couple pictures of it installed, I'll try to PM them to you. The picture size was too large to upload. Would have been nice to know of a forum discount at the time though.
I have a 2017 GMC Sierra SLT with the 20" snowflake wheels and was starting to look into a small lift (about 4 to 4.5"). I like the stock wheels and would like to keep them but I like the oversized tires to stick out a little bit past the fenders. If any of you have the stock wheels with oversized tires can you post up your pictures showing the front or rear of your truck. I've seen a number of side views in other posts but haven't seen any of the front or rear to see how it sits. Sent from my SM-N950U using Tapatalk
Im looking to do my first oil change on my 2017 6.2L Gmc Sierra. It has 12k miles, bought it two months ago. I usually do Mobil 1 or Castrol with my other vehicles. But since the newer engines have an 8 qt capacity, an "oil change special" at the local parts store won't cut it. Since it is now a $75+ DIY oil change I was considering Mobil 1 Annual performance or extended performance. I drive between 18k-24k miles a year so I'm not interested at doing 3-4 oil changes a year with "regular" synthetic at 7500 mile intervals. I have heard that guys will run amsoil signature series oil for a yearly oil change. Have any of you run Amsoil in these trucks and what kind of success have you had? Sent from my SM-N950U using Tapatalk
I am a strong believer in preventative maintenance. I am also picky about doing fluid services myself so I know exactly what fluids are being used. With that being said, at this point what I would do is a manual cleaning. I bought my truck at just under 9,000 miles and after researching on here, by 11,000 miles I installed a catch can and did a CRC GDI service. I intend on doing a CRC every 10,000 miles. At this point with your truck, After a manual cleaning is done, I would start to use CRC. If you use it before it can loosen larger pieces of buildup and throw a code and clog a cat.
I bought my 17 SLT premium plus crew cab short box 2wd 6.2L 8spd in December for $36k with 8700 miles. I love my truck, I adjusted the AFM and installed a catch can to possibly aide with some common worries/ issues with the newer style trucks. I've got plenty of power, (6.2) comfort (leather, heated seats, dual climate), options (sunroof, brake controller, LEDs, etc). Would do it again in a heartbeat Sent from my SM-N950U using Tapatalk
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