I bought a trooper one time with a 2.8 chevy motor thing was horrible almost didnt make it home wife was not happy with me got home pulled the cleaner ther dam egr valve was unbolted just sitting there screwed all back together that was all it was truck ran great after that.
how do you feel about that lucis stop slip i have used it many time on cars that had slipping transmissons. always workd for a while about 6 months then its all over. the bottle says good for new and old use it as part of you trans service evertime.