Join Date: Feb 2015
Thanked 300 Times in 285 Posts
The proof for me was when my fairly new IP started leaking around the O-rings, and when I added a gallon of 2SO in 1/2 tank it stopped, and never returned. Also my lift pump runs much quieter, injectors as well.
03 QCLB- 19 to 25 mpg with electric parts, and engine mods....