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Showing results for 'auto rx and sludge'.
After I bought my 98, I thought I'd hit it with Auto-RX, since I heard so many good things about it. I'm 1200 miles into the 1500mile cleaning phase now. Soon I'll be in the rinse phase. Here's a pic of the oil filler. As you can see, there is some buildup. http://i74.photobucket.com/albums/i265/NIllinois/sludge2.jpg Will post my finding after the 2000 mile rinse phase. Might have to do another treatment. I'm extremely fearful of those Shock Flush products, like Gumout Engine Flush, as I've read they can really screw up the engine or even kill it.