6 pack Rislone High Mileage Compression Repair Oil 4447, Automotive Additives, 16.9 oz

**** The Rislone High Mileage Compression Repair Oil 4447 has garnered a mixed reception among customers, particularly among those with high-mileage vehicles. Many users praised its effectiveness, noting significant improvements in engine performance, reduced exhaust smoke, and enhanced responsiveness. For instance, one user with a car exceeding 200,000 miles reported a noticeable difference post-application, experiencing a smoother drive and the elimination of smoke. Another customer with a 2003 Mazda pickup exceeding 250,000 miles highlighted the product's ability to aid in routine engine maintenance. Despite these positive anecdotes, several users expressed skepticism, particularly regarding its effect on actual cylinder compression. One customer, after conducting a compression test, found no measurable improvement, while others mentioned it to be just an oil additive, suggesting that those looking for significant compression repairs might need to seek alternative solutions. This divergence in experience suggests that while Rislone may provide noticeable benefits for some, it may fall short of addressing more severe compression issues. Overall, those experiencing symptoms like excessive smoke or sluggish performance in their high-mileage vehicles may find value in Rislone's offerings, while those seeking a definitive solution to compression problems may need to manage their expectations. **