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Keeping My Engines on Maintenance Dose

I’ve been a user of ARX for several years. Especially on my older vehicles. I can hear the difference when I have the maintenance dose installed. Lifter noise is greatly reduced.

I have treated a 2008 Chevy Suburban with the 5.3L V8, 120,000 miles. After treatment at 100,000 miles, oil pressure while driving shows 40-50PSI (about 30PSI at idle), gas mileage increased, engine lifter noise reduced. Now it is on the 4-oz Maintenance Plan.

I just bought a nearly new 2013 Chrysler 300 with the 3.6L Pentastar V6, only 6000 miles. I plan to put it on the ARX Maintenance Plan. (I just recently purchased 4 bottles of Auto-Rx Plus.)

I am using the dealer bulk oil. I believe it is a dino Valvoline 5W-20 and I will be doing oil changes every 3000-4000 miles. Chrysler says to just let the computer tell you when to change, but oil changes and ARX are cheap insurance.

Thanks again, Frank, for all you do for your ARX fans/customers.