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I recently came across this forum, ...I am enjoying the many, many topics and discussions.
This topic has probably been discussed and hashed and hashed before, but if I may beg your indulgences once again. Here's what I am thinking of doing:
I have a 2002 Dodge Ram 1500 pickup, 4.7L, V-8 Magnum, auto. tranny w/ 106K+ miles on it. I have always used a quality, non-synthetic oil since I purchased the truck. I regularly change the oil and filter around 3,500 - 4,500 mile mark. I add a full quart of Marvel Mystery Oil to every oil change. The truck holds 6 quarts, I put 5 qts. of oil and 1 qt. of MM oil in. The theory / advertising is that the MM oil will help to prevent deposits throughout the oil distibution system, which in turn will reduce friction, wear, temps., blah, blah, blah. I also add the MM oil to the fuel tank when filling up ( 4 ounces per 10 gals. ) reduces the deposits on the fuel injectors, helps keep the entire fuel system clean, blah, blah, blah.
With gas prices being what and where they are, I am trying to improve my gas mileage by going to a synthetic oil. I still plan to change the oil and filter around the 4,000 mile mark.
QUESTION # 1: If I go ahead and switch to the synthetic oil, do I still need to add the MM oil to the synthetic oil for the purposes listed above?
QUESTION # 2: Do any of you use the MM oil in either type of application?
Thanks for your input, opinions and conjecture. All comments are welcome!
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