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seafoam

  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...
  2. 1Gen-Tundra
    So I picked up a can of seafoam and pour it down the pcv line but the engine ran just like normal. I let it sit for 10 minutes, started it, and NO SMOKE! I then ran the rest of the can through the brake booster, let it sit, and smoked the hell out of it. My question is why didn't the pcv line...
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