This video I am comparing the Mobil 1 High mileage synthetic 10w40 oil that I ran for 3500 miles to the Amsoil Extended Life synthetic 10w40 motor oil that I ran for a little over 4600 miles. I submitted both oil samples to @Blackstonelaboratories for a more detailed oil analysis of both oils and I breakdown and compare the results from both oils.

Meanwhile while running the @Amsoilinc , the Montero hits the 250k mile club and you will get to see when it hits 250,000 miles.

This video took almost a year to produce as I had to run both oils between their service intervals and submit and wait for the results from Blackstone Laboratories for the oil analysis.

If you want to get a oil analysis on your vehicle and see how well your motor is doing, here is the link to Blackstone Laboratories.
https://www.blackstonelabs.com/

00:00 Intro
02:05 Changing to Amsoil
02:23 Whats in the Blackstone laboratories oil sample kit
04:14 Prepping Mobil 1 oil sample
05:07 The Montero joins the 250k miles club
08:00 Time to change out the Amsoil
09:01 Lets do the "Lexus test"
11:11 Getting the Amsoil oil sample
14:59 Blackstone Laboratories analysis results
25:11 My conclusion and review