I believe I finally found a leak I’ve been chasing. To correct it I’m going to be replacing an expansion plug for the j jet oil galley at the back of the block. Which loctite product do you guys recommend? I believe I used blue loctite on original install. I’m considering one of these 2 retaining compounds. Loctite 641 or 660. Which works the best and has the best guarantee of sealing. I really don’t want to pull this transmission again lol