I am using rislone, 1 quart bottle, fr almost 2,000 miles now, on my 95 plymouth neon, with shell 5w30 SL oil. It did seem to smooth out performance and all. However, i loeft my car on idle, for like 15 minutes, drove, and my car had the WORST case of the shakes!!! It never did that with any oil or additive before. Driving, car felt like it was coming undone, then went away after cooling down. 2,000 miles later, engine has burnt off 75% a quart of oil, which is normla, in a 3 month, 1,700 mile interval for me. Its idling kinda funny now, but i am planning an oil change this week, i waan cut the fram filter i used open, and see what the rislone helped to deposit into it. ALl rislone is, is a 5 20 oil, so its said. I'll keep all posted, with what i discvoered in the filter. Ide recommend Rislone, for 1, 700 miles at most!! I dont like how it idles now.
