Wow guys, that was alot of info. I guess I should have mentioned that it hasn't been sitting, But maybe not out on the road enough. Like once a month. for a 20 mile drive. I did try the Mystery Oil trick. but no luck, I had not heard of the other additive. I guess I would need to drain all the oil t...

Hi Everyone, This is my first post, so forgive me if this has been covered. I have a 65 longbed custom that my Dad bought new and I learned to drive in. It has 78,000 original miles on it. This is a Arizona Truck with no rust, the engine has a stuck lifter, and I am trying to decide if I should have...