Originally Posted by sunrcr69 View Post
I've been running it in my vehicles since 1983 - I had to buy it at the Massey-Ferguson tractor dealer west of Salisbury, NC back in those days. I've never failed to pick up 1-2mpg's after adding it, and it's never caused an issue in any of my vehicles - from TX to PA, and all weather in-between. 680k miles over 28 years, by my calculations. One supposes, YMMV...
'07 Commander, Rocky Mountain Edition, 67k miles, & looking for advice!!!