3800Pro Forums banner


  1. Core/shaft plugs sizes?

    Cooling System
    I have an LN3 3800 out of a 90 Buick lesabre. I just have the engine, idk if it was real wheel or front w/d. I ordered a kit that came with 1 1/2in core plugs that felt kind of loose. The cam and balance shaft plugs were wrong too. Would anyone happen to know the sizes? I checked Napa and...
  2. Plugs for a stock 2000 Regal GS Supercharged

    I just bought this car a month ago and it's my daily driver. Bone stock. It's my first SC engine and everyone online seems to have a different suggestion. What would you put in it? I don't plan on modding anything, I just need decent plugs.