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Post Info TOPIC: Use Full Synthetics & Auto-Rx PLUS with Confidence

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Use Full Synthetics & Auto-Rx PLUS with Confidence

Mobil1 & Auto-Rx
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There is no incompatibility with Auto-Rx and Mobil 1. However, M1 is a group IV, PAO oil base type oil. PAO oils require an addition of esters to hold the oils additive package in suspension. These esters are also polar or attracted to ferrous metals. These esters tend to compete for surface metal, as do the cleaning esters in Auto-Rx.
To answer your question, yes you can. But for maximum cleaning and rinsing I would recommend that you run Auto-Rx with a Group III synthetic oil such as Pennsoil Platinum, for example, for absolute best results. After the cleaning and rinse, if you want to return to Mobil 1, I recommend running a maintenance dose of 3 fluid ounces with each oil change. UOA shows us that the maintenance dose helps the performance of M1, from both lower wear metals, and greater detergency, as well as neutralizing acid build up in the oil from unburned fuel seeping past the piston rings.

Hope this is helpful to you. Any further questions, please reply.

Rich Eklund
Auto-Rx Consultant

Frank J. Miller
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