The 6.0L Powerstroke is a popular yet notoriously problematic diesel engine used across multiple Ford truck models between 2003 and 2007. Introduced primarily to meet stricter diesel emissions ...

When we finally got it to the (unnamed) Ford dealership, the mechanics told us the engine was shot, and that we were looking at quite an expensive repair bill. But the engine didn't feel 'shot'.

Most internal combustion engines rely on motor oil for one reason: lubrication. The oil gets pressurized between 10-70 psi and spends most of its life subjected to roughly 200 degrees’ worth of heat.