Originally Posted By: clinebarger
Someone would have to define what high mileage for a Diesel is, Oil companies are claiming 75,000 is high mileage for a gas engine......Sounds absurd to me.
Valvoline came up with this way back in the 1990's, it was a split decision between those who wanted to market it for 50,000 mi. and above and those who wanted 100,000 and above...