Glad I could help. My basic understanding of offset is the higher the number the more tucked in the wheel will be. So any offset lower than +44 will poke out more. I came across that site tiresize.com somewhere on this forum and it has some pretty neat tools to calculate and visualize the...
First I'd like to point out that in the video you referenced they installed a 35x12.50x20 not a 295/65/20. The problem with fitment after a level hasn't been the height as much as the width. According to tiresize.com a 295/65/20 is only 11.6" wide. Keep in mind I have not personally ran this...