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Discussion Starter · #1 · (Edited)
Ok so I just changed the oil in my 3.8 v6 in my new 2021 4x4 king cab, the driveline is third generation, 3.8 v6 and 9 speed transmission, and the body is second generation. I did the first oil change at 5020 miles and sent the old oil in for analysis at Blackstone Labs. The short version is go ahead and wait till 7500 miles between oil changes and the original fill is a 0/20 like they recommended. I used a made in Japan Mahle factory Nissan oil filter, which is exactly the same as the one that came off. I bought it for about $10 each from Midway Nissan in Texas on Ebay. I used 5 quarts of Supertech 0/20 synthetic oil which was about $18. the test from Blackstone cost $40. There has been some debate about how much oil is required and I can tell you that I used exactly 5 quarts from a 5 quart jug and the level was perfect, well as perfect as you can divine from the lousy dip stick. Supposedly somewhere it was written at 5.3 quarts, but that's not my experience. Also there was a negligible amount of fuel in the oil which is good, some direct fuel injection systems "leak" fuel into the oil and I didn't get any of that.
 

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2021 Frontier SV CC 4x4; 2018 Frontier SV KC 4x2
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Good to know. I’m around 2000 miles on my ‘21 & was contemplating how far to push it.
 

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2021 Frontier S K Cab 3.8 V6 9 speed Auto 2x4
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7500 miles, if you go synthetic you can push 10,000 with out a TBN, or TBN pushing for 15,000 miles.
Discussion Starter · #1 · Jul 5, 2018

I thought there may be some interest in this. For starters, I'm not going debate how good or bad SuperTech Oil is compared to others; the results are what they are. While these results were for R51 Pathfinders, both have the familiar VQ40DE V6 used in the Frontiers and Xterras. Keep in mind there are two results for two different Pathfinders. On the 2006 Pathfinder, there was almost 150,000 miles on the engine and the only major work done to it was a timing chain set at 92,000 miles. It has used SuperTech 5W30 Full-synthetic oil and genuine Nissan oil filters since I purchased it with 84,000 miles. The sample had 7500 miles on it and my usual oil and filter change intervals are 7500 miles. The report came back great and they said I could extend it to 9500 miles, though I still keep the 7500 mile interval schedule.
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"check this out" I unknow found this.
 

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Your truck is a 2nd generation, the third gens start in 2022.

Clint
 
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Your truck is a 2nd generation, the third gens start in 2022.

Clint
With the same powertrain that’s in the 3rd gen, so I’d say this is much more relevant information for new 3rd gen owners than 2nd gen, wouldn’t you?
 

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Discussion Starter · #9 ·
Discussion Starter · #1 · Jul 5, 2018

I thought there may be some interest in this. For starters, I'm not going debate how good or bad SuperTech Oil is compared to others; the results are what they are. While these results were for R51 Pathfinders, both have the familiar VQ40DE V6 used in the Frontiers and Xterras. Keep in mind there are two results for two different Pathfinders. On the 2006 Pathfinder, there was almost 150,000 miles on the engine and the only major work done to it was a timing chain set at 92,000 miles. It has used SuperTech 5W30 Full-synthetic oil and genuine Nissan oil filters since I purchased it with 84,000 miles. The sample had 7500 miles on it and my usual oil and filter change intervals are 7500 miles. The report came back great and they said I could extend it to 9500 miles, though I still keep the 7500 mile interval schedule.
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smj999smj
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"check this out" I unknow found this.
Your truck is a 2nd generation, the third gens start in 2022.

Clint
the motor and transmission are the same as the third generation, everything else is 2nd.
 

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Discussion Starter · #10 ·
Discussion Starter · #1 · Jul 5, 2018

I thought there may be some interest in this. For starters, I'm not going debate how good or bad SuperTech Oil is compared to others; the results are what they are. While these results were for R51 Pathfinders, both have the familiar VQ40DE V6 used in the Frontiers and Xterras. Keep in mind there are two results for two different Pathfinders. On the 2006 Pathfinder, there was almost 150,000 miles on the engine and the only major work done to it was a timing chain set at 92,000 miles. It has used SuperTech 5W30 Full-synthetic oil and genuine Nissan oil filters since I purchased it with 84,000 miles. The sample had 7500 miles on it and my usual oil and filter change intervals are 7500 miles. The report came back great and they said I could extend it to 9500 miles, though I still keep the 7500 mile interval schedule.
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"check this out" I unknow found this.
Bobstheoilguy is full of these Blackstone reports, and endless discussions about the quality of various oils, at least with the oil analysis testing there is actual data to talk about.
 

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the motor and transmission are the same as the third generation, everything else is 2nd.
It’s a hybrid so does that make is a 2021.1?


Clint
 
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It's gen 2.5.
 

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Discussion Starter · #15 ·
Not really, the info was mostly about the new motor and what kind of oil was in there and how often its recommended to be changed, different motors are harder on oil, the 3.8 might have fuel in the oil from the direct injection, which was negative in my case. I just hit 10,000 miles and I changed the oil again too. I think the standard for the 4.0 motor is the same 7500 mile interval so you have done 3 extra oil changes in 45000 miles that's not that much money, and it certainly isn't hurting anything. The Blackstone oil analysis is interesting to do. If you want more info on that stuff "bobistheoilguy" is the place to go!
 

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Not really, the info was mostly about the new motor and what kind of oil was in there and how often its recommended to be changed, different motors are harder on oil, the 3.8 might have fuel in the oil from the direct injection, which was negative in my case. I just hit 10,000 miles and I changed the oil again too. I think the standard for the 4.0 motor is the same 7500 mile interval so you have done 3 extra oil changes in 45000 miles that's not that much money, and it certainly isn't hurting anything. The Blackstone oil analysis is interesting to do. If you want more info on that stuff "bobistheoilguy" is the place to go!
I also throw in a can of sea foam every ten thousand miles, any thoughts on that?
 

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If you take good care of a vehicle and perform the maintenance on time every time I see no need for these additives. For those who try to save a few dollars, it cost less to do it right the first time.

Clint
 

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Not that it's any surprise, but the FSM recommends against any kind of fuel additives.
 
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