Improves Fuel Economy (and who doesn't need that with today's gas prices)
Cleans the Engine from the Inside Out!
Since 1923, Marvel Mystery Oil has helped increase the life of countless engines of all types! From fighter planes in WWII to exotic sports cars to long-haul trucks and everything in between. Those in the know depend on Original Formula Marvel Mystery Oil
Add to your Engine Oil:
At your next oil change, replace 20% of your engine oil (traditional or synthetic) with Marvel Mystery Oil. For example, if your engine uses 5 quarts of oil, replace one of the quarts with 32 ounces of Marvel Mystery Oil. Repeat at every oil change.
Add to your Gas:
At every fill-up, add 4 ounces of Marvel Mystery Oil to every 10 gallons of gas or diesel. Regular use can lead to improved fuel economy.
On Mar-13-13 at 14:55:17 PDT, seller added the following information:
