There are a few different solutions you can use to remove sludge and other contaminants from your car's engine, but soapy ...
For starters, it's untaxed, so it isn't legal for road use. But even if your truck is for off-road use only, there are risks when you pump used oil through your vehicle's precious power plant.
For most owners, General Motors' fix for a V8 that can chew through its own bearings came down to an oil change. It was a ...