this product work a lot better than Lucas oil stabilizer
GM cars, (3.4 engines) are famous for its knocking at start up and after 65 miles approx., this product its started to dissipate every single noise in my high mileage engine. In my case, this product work a lot better than Lucas oil stabilizer.
Pros
Excellent product for older cars - make your engine last longer. Been using this for years.
Cons
The product does not provide long-lasting benefits