Originally Posted By: OVERKILL
Originally Posted By: aquariuscsm
I had some gritty/sandy looking stuff in the bottom of a Valvoline 10W40 5 quart jug one time,and a layer of what looked like craked dried mud at the bottom of some Pennzoil Platinum 5W50 quarts.
That was just the mad cleaning powaz of PP eating the bottle material and piling it on the bottom while it waited to be unleashed on the crud in your engine
Thats almost as bad as m1 sand blasting engines clean with all that iron.
Originally Posted By: aquariuscsm
I had some gritty/sandy looking stuff in the bottom of a Valvoline 10W40 5 quart jug one time,and a layer of what looked like craked dried mud at the bottom of some Pennzoil Platinum 5W50 quarts.
That was just the mad cleaning powaz of PP eating the bottle material and piling it on the bottom while it waited to be unleashed on the crud in your engine

Thats almost as bad as m1 sand blasting engines clean with all that iron.