i had a 2003 2500 dodge diesel and the oil stayed clean for quite a few miles just like in a gas engine. you may think that grout cleaning is a relatively simple process, but that’s not necessarily the case. no changing the word of god no matter how we feel or think. it’s not always easy to distinguish opener problems. make sure to turn the meat every hour or so. try a hike up the highest peak! i know my fitness and health is worth it. of course, the grump assumed it was for him and immediately “claimed” it. 