Learn how a 6.7 powerstroke delete kit with tuner and smart upgrades like a ccv delete 6.7 powerstroke can lower EGTs, prevent intake sludge, and improve diesel engine performance.

I have a 1984 Nissan pickup with only 64,000 miles. It runs great, but the engine is so dirty that I am embarrassed to have it worked on. How should an engine be cleaned? Is steam cleaning appropriate ...