Shocking results with amsoil XL (1 Viewer)

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Joined
Jan 17, 2022
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Location
Wisconsin
I decided to go amsoil this oil change, specifically 0w-20 XL. After years of homework, 3rd party testing, and research, I finally pried my wallet open to spend the $100 on 2 gallons for my 2012 tundra rock warrior.

Anywho, post oil change, I reset my mpg meter for s***s and giggles. It’s always been between 14-15mpg, and was at 14.5. I was expecting a negligible difference. I drove around town Sunday drive style, city/highway mix. To my astonishment, mpg went up to 16. I figured it was a fluke and I didn’t put enough miles on it to get an accurate reading. Mind you I was turning tow/haul and traction off and sending it from some intersections as well.

I then took a 120miles round trip and the mpg kept creeping up until it hit 17.2-17.3mpg and just stayed there!! I took a picture at 16.9 and it kept going from there.

I will keep monitoring and try to get a longer stretch of mileage to verify, but I have not changed anything else.

Not a salesman for amsoil but just wanted to share positive results. This will pay for itself in a few months if this keeps up, amounts to about 20% better mpg.

IMG_1321.jpeg
 
And for the record, running general grabber 31.5” tires, and it’s 4wd.
 
Very interesting!!

What was the oil you'd normally use before the change?
 
If I had time to do it myself I would use Pennzoil full Syn (pennzoil platinum I believe, not ultra platinum), or get it changed at Take 5 with full synthetic (which is probably crap tbh). Basically any 0w-20 full synthetic without much thought.

Another note, put about 200 miles on now and am at 17.1mpg with some more city driving mixed in. Mind you, my biggest frustration with this vehicle is that the fuel economy was not even close to EPA estimate, but now apparently it is. Next I think I am going to change the transmission and differential fluid for hopefully even more benefit.
 
And another note, I have reset the MPG meter several times since I bought it 30k miles ago. So it's not like it was really getting 17 the whole time and the average just brought it down from 100k miles of driving with a lead foot. Always hovered around 14.5mpg.
 
There's OE, then XL, then Signature. XL is middle of the road, extra cleaners and disperants, rated for 12k extended drain intervals.
 
I run Kirkland 0w20. We did 250 miles today and averaged 18.7. Ran 60mph and its a 2011 limited. 127k miles.
 

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