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Auto-RX in 4 vehicles
93 Dakota 5.2 - 128K - stopped valve train clicking on startup. One bottle only.
67 Ford Galaxie - 70K orig - Idle speed went up enough that I had to adj carb idle speed screw. Valve noise gone at startup. Smoother idle.
98 Chrysler T+C - 71K - Definitely smoother idle
01 - Lightning - 7K - no difference...
Overall VERY impressed...
Jerry
Thank you for the positive feed back sure you had no problem following application directions. Your results show me this. If you use 3 ounce maintenance of Auto-Rx in every oil change your benefits will be measurable, stable and cost effective. ie: Increased compression-effective combustion- no seal leaks-extended engine life-low operating cost per mile.
Frank