Originally Posted By: Shannow
I've just switched from an oil with HTHS 4.4 to 3.2, and it would be lucky to be 1MPG if that....you are going from around 3 HTHS to approximately 3 HTHS, I doubt 1MPG is in your future.
Yep, you and I both did the math, and trying to discern that small of a difference in a daily driver is virtually impossible. An improvement is certainly there, but well within the error bars.