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  1. 1

    Auto-RX and X1-R???

    I just purchased 5 containers of Auto-Rx and when I got the Invoice it was sent for N.Nova Rd in Ormond Beach, FL (right down the street from where I used to work). Coincidentally the Oil Additive Company X1-R is based only a few miles south in Daytona Beach (on Bill France blvd). I'm curious...
  2. 1

    GC in my 280E Mercedes??

    Hi, I have an 82 280E Mercedes. According to the Specs listed on the GC bottle it meets spec called out for my Mercedes. But in my Owners Manual it says I should use a 20W-40 or 20W-50 oil for my climate 0*C +up. I use the GC in my Mazda Miata and the engine loves it (nice and quite HLAs)...