Originally Posted By: CourierDriver
MMO will do it to, add it 500 miles b 4 u change ur oil, u wont have sludge. PS how do u know u have a sludged engined. PS, valvoline, havoline will do the same, ran an o subaru 225k miles, no sludge at all on havoline, go figure.
There's nothing in MMO that suggests it will clean sludge.