Subaru Outback Forums banner


  1. Is it a bad idea to add Lucas Engine Oil Stop Leak?

    Oil, Oil Filters, and Fuel Discussion
    I have a minor(ish) head gasket leak on my ‘06 Outback. I probably add 1.0 qt every 2-3 weeks. I drive 300+ miles a week. Is stop leak a bad idea? I’ve heard it can gunk up everything, not only the leaks. I am leaning toward just dealing with adding oil for a bit longer until the time comes to...