I set no bar, you did. Oh don't worry there are other reports somewhere back in my inbox or deleted folder from some 3+ years ago. This is just one of them. 7500 interval was established based partially on the advisement from yes, lab analysis. They also make recommendations. Total Base Number was established on prior reports and also again when I had an isolated lead spike at some 60+k miles. Sounds like you are more an oil expert than anyone on the forum or lab. So what is your honest opinion? Must have missed it above. Any further analysis or effort suggest that the time and effort are not worth it. Just wait for the engine to blow up and replace with a 800$ junk yard heap and you would be money ahead. Now I see why they call you Grumpy. Well, you call you Grumpy.
I used blackstone labratories to adjust my intervals. The happy and conservative place for my 5.3 was around 7500 miles and 0% on the Oil life. I stuck with that approximate interval for the time I owned it. I would like to note that this truck spent a significant time using e85 which, although burns fairly clean, can mess with oil pH. Aside from the oil smelling line corn liquor, it never had any noticeable impact on oil quality. It was nice to actually know. Check out the report below. Blackstone is good stuff. I also remember when manufacturers said 3k miles for intervals or every~ 9 gas fill ups! 14 SILVERADO-111215.pdf
You are so upset by this that you had to reply with nonsense twice? The point is it probably wont matter for most people when they do the first oil change. It used to be a recommendation from manufactures back in the day when I worked at a shop. We would regularly clear 300k miles on vehicles that never had any break in oil changes or shortened intervals. This is back when it was recycled citgo dino oil as well on a 7.5k interval. 100k is not any expectation. Just a point of reference. Just how much of this have you made up in your own mind?
On my 14 5.3 I peeled out of the dealer lot with 100 miles on it and didn't change the oil until it was over 7k miles. Beat the pants off of it for 100k miles and just traded it in for my SLT 6.2 back in June. I don't think changing break-in oil is much of a thing anymore. I have always ran Amsoil SS even though I bet cheaper oil could have produced similar results. Bottom line: Check your oil level! All DI engines burn oil even if some guy says he ran for 12k miles and didn't burn a drop. Secondly, change your oil at some reasonable interval (Not 3k miles and not 30k miles.) Lastly I would say just use some reasonable quality oil. That being said, I changed the oil in the new truck at 1100 miles. I hope your are genuinely confused now.
I will say it was more difficult to find but overall I am happy with the decision to have performance over luxury. After driving this 10 speed, I could never drive a 6 speed again. Still wish GM would let us pick Gear ratios a la carte
True. I settled for the SLT 6.2 NHT. It has enough options for me not to be upset about not getting the Denali. I was more interested in power and capability in the end. Also many thousands cheaper.
My thoughts too. Would be a nice topper to the factory intake and exhaust on my 6.2. but not for $1200!!! 5-600 might sway me if I knew it worked without a CEL.I dont see any meaningful performance mods coming for the T1 anytime soon.
Just wondering if anyone in the t1 platform has tried this Y pipe yet. Wondering if there is any power top be made. Not sure if the catted y pipe would cause a CEL or not. Seems a bit expensive too https://afepower.com/afe-power-48-34136-rc-twisted-steel-y-pipe-3-to-3-1-2-stainless-steel-exhaust-system-street-series#overview
I had that issue on my 14' after fox coilovers and Cognito Upper control arms. It was easy to see with the coilover removed that the tie rods would actually reach their limit for range of motion. I dropped the lift down .5" and that helped out. I am looking to do a similar setup to my 19' SLT 6.2 NHT. overall how happy are you with the CST setup?
My sierra 6.2 NHT has 4lo. It was confusing on the website when I started researching the truck and made it sound like it only came with a single speed transfer case. Finding one with a 6.2 and max tow 4x4 was also very difficult. Dark sky metallic in that configuration was 1 of 8 in the country.
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