Frank
Member
Member # 34
posted December 11, 2003 02:50 PM
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Auto-Rx will work with all motor oils. In full synthetic oils (with ester, diester, triester bases) the cleaning takes longer. These application instructions take that into account. We have found that non-synthetic oils are superior for stopping or slowing seal leaks and have recommended that for the ‘rinse phase’ of the application. For the 'completion phase' run the non-synthetic oil by itself for one oil change interval, then use the brand of oil you prefer (synthetic, synthetic blend or non-synthetic).This completion phase is for stopping seal leaks only. High Mileage Oil's use synthetic esters and Auto-Rx has to fight for space on engine metal, this takes time and why not just go with non synthetic it's faster and so are results.
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