Yours truly has a neutral opinion regarding engine flushes: I believe engine flushes are only necessary when the engine has sludge buildup. Sludge is a dark and thick substance from contaminated oil, ...

So, you’ve heard about engine flushes, right? They promise to clean out all that gunk and sludge that builds up over time. Sounds great, but not all engine flush products are created equal. In fact, ...

Engine and Transmission Flush is a detergent-based flush that cleans sludge, varnish and deposit build-up and can be disposed of with waste oil. Flushing loosens sticky valves, helps quiet lifter ...

Amsoil has a complete line of diesel engine synthetic oils. The line features the Signature Series Max-Duty Synthetic in 5W-40, 5W-30, 10W-30, 15W-40, and 0W-40 grades. The line also includes ...