Toyota Tundra Forums banner

crankcase

  1. 1Gen-Tundra
    A couple of questions about Seafoam: 1. According to the instructions on the can, you can add the product to your oil. I did this after my last oil change, topping off the oil with the recommended about of SeaFoam. Can it be left in the crankcase until the next oil change -- or should the oil...
Top