Kendall GT-1 Max w/ LiquiTek

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Dec 31, 2025
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I changed the oil on my ‘24 F150 5.0 with Kendall Full Synthetic 5w-30 back in January. I’ve made two 400 mile trips towing a fully loaded 6x12 U-Haul box trailer and truck bed and this is what it looks like after 4K miles. It looks almost as clean as the day I poured it in.

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Many years ago my wife owned a 1990 Mazda Protege that I maintained DIY 3K mile oil changes using Mineral based Valvoline. That little car ran like a sewing machine but out of all the car I have owned the last 40 years that Mazda with the Valvoline always had clear new looking oil on the dip stick. Shortly after on some other car or truck early 90's I used Castrol GTX and the oil would turn black before I backed out of the driveway.
Thinking back to that Mazda I always wondered was that car that clean running or was the oil that good or was the oil that bad and didn't remove any dirt so the oil stayed clear?
Regardless, I have owned many cars and never had oil stay clean 3K miles except for that one Mazda.. OP yours looks great!
 
Color means little. Modern oil is supposed to gradually get dirty. I would be more alarmed if the oil didn't get dirty which is showing dirt being in suspension instead of collecting onto internal engine parts..
 
I changed the oil on my ‘24 F150 5.0 with Kendall Full Synthetic 5w-30 back in January. I’ve made two 400 mile trips towing a fully loaded 6x12 U-Haul box trailer and truck bed and this is what it looks like after 4K miles. It looks almost as clean as the day I poured it in.

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I used Kendall gt1 Synthetic for many years. I was able to get a great case price from my local oil Distributor. I moved and cannot find it here. I never had a problem with it.
 
I used Kendall gt1 Synthetic for many years. I was able to get a great case price from my local oil Distributor. I moved and cannot find it here. I never had a problem with it.
You can order it from kendallmotoroils.com. It was free shipping but I don’t know if it still is.
Last time I checked it was $64 for a case.
 
I bought three cases of Kendall GT-1 MAX 5W-30 dexos 1 gen 3 a month ago from kendallmotoroils.com. 60.24 per case (5.02 / qt) and free shipping. Meets current Ford spec for a 2.0 GTDI as well as my 5.0 Coyote.
 
I bought three cases of Kendall GT-1 MAX 5W-30 dexos 1 gen 3 a month ago from kendallmotoroils.com. 60.24 per case (5.02 / qt) and free shipping. Meets current Ford spec for a 2.0 GTDI as well as my 5.0 Coyote.
It’s gone up just a little recently but still a pretty good deal.
I’m sending a sample off today from the last oil change (‘24 F150 5.0) to Blackstone.
 
I've used it and always liked it but it's hard to get and it's too expensive for what it is when 5W30 VPR and 0W30 ESP are readily available.
 
Kendall has actual licenses and OEM approvals. The German OEM approvals are nice. But I haven't seen it locally in at least 25 years. Mobil 1 Euros are available at Walmart for less money per qt, so...
I don't know if their marketing went regional or what.
 
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