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  1. R

    Just finished clean cycle of AutoRX

    Had the oil changed to start the rinse cycle, and immediately noticed an improvement in my oil pressure. 1996 Chevy Caprice LT1 9C1. 84,000 miles.
  2. R

    Is 20w50 the wrong oil for my 96 9c1 (83,000 miles)?

    Do to low oil pressure a mechanic replaced my 5w30 oil with 20w50. Guage wise; doesn't seem to make any difference. Now I have been told by other sources the 20w50 is bad for "this" car, and I should go back to 5w30. I live in the SF Bay Area, so the weather is mild. Any input would be greatly...
  3. R

    Auto rx

    Is there a "best" oil filter to use with the arx process.
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