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About Grover67

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    2020 GMC AT4 3.0l

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  1. Contacted them and that is what they told me to use with my 3.0l. Located a set from Summit Racing. No issues with them and like I mentioned about the same height as the factory setup on #1, wasn't looking to level it. I was going to use the 5100's in the front with the stock springs but figured why not go for complete setup with a more robust shock as I had to pull everything apart to do it anyway, so far no regrets Go for it if you want them back in your life!! -Grover67
  2. Went the same route with mine as you are. I went with the 5100's last summer after driving it some after purchase and felt the back end didn't feel real planted at times and really didn't care for that. Really noticed the difference after change out to the 5100's so they were well worth it. Was on the fence on what I wanted to do with front if anything but the more miles I put on I could feel the front not responding as well and decided to go with the 6112 setup at 10000 miles on the stock stuff. Picked them up through Summit Racing(p#47-309524) late this spring and installed myself, #1 setti
  3. Ya the paint really seems soft on them and the interior plastic is still easily scuffed, not real impressed -Grover67
  4. Ya diesel oil gets black fairly quick normal. Do good maintenance and use quality products and thats all you can do, run it. -Grover67
  5. Auto stop didn't work with the A/C in other settings than Max? -Grover67
  6. I went with Tyger for mine. No cutting factory mats, jack and handle bag go right back into factory spots inside, has gun rack and another holder if wanted. Not flimsy either, nice setup. -Grover67
  7. The "3.0L Duramax Diesel Engine Supplement" should of been included with the other booklets, yes it does include when suggested servicing and such but it is "not" a Service manual. This is what should of been included like others have suggested
  8. Looks are one thing, performance where its needed may be something else. Need to evaluate what are your needs are. Mine were more based on winter performance and with its 3-peak rating and other reviews I dug through I thought I'd give them a try and worked out pretty well, without having to get another set of tires . One true set of winter tires and another set for the rest of the year, would of went that route if these didn't work. -Grover67
  9. Ya the AT3's 275/60r20 went on it. Went with them thinking they would do better in the winter for me and most reviews were good for my type of usage, first time trying this brand. Haven't tried the Nitto's so no opinion on them. -Grover67
  10. Decided to upgrade the factory rubber before winter and went with the Toyo's. Did better in the rain than the stockers and they did real well in the winter stuff up here in Michigan. They rode well and were about the same as the factory one's for noise, real pleased with them overall. -Grover67
  11. Had the same thing happen last summer. Left on a Sunday and about a hour into my trip check engine light came on, didn't bring my scanner as I figured I didn't need being new. Next morning called dealer that was next to our motel just to get it checked to see if it needed service right away if something was serious or not. Ya we can get you in Wednesday or Thursday, uh that don't work for me. Can I just get it checked to see whats going on, Nope...... Always been a issue for me with having to make an appointment for something mundane as checking a code or even a oil change......sc
  12. Does Amsoil have a oil filter for the 3.0l to replace the A/C PF66 out yet? -Grover67
  13. Can you post pics of yours? What have you used or done to clean them? -Grover67
  14. Where you located and what are you asking for them? Thank you -Grover67
  15. Your engine temp is normal jbjlock26. If you haven't read up on the 3.0l on how it operates might check it out -grover67
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