My first change of oil. Rotella was in the engine when I bought the truck. I've been using the lucas oil treatment only for this oil change and I'm going back to the right Delo 400 LE or Rotella when I next change my oil. Delo 400 LE or Rotella for my next oil change? I have 7 other Fleetguard Lube Stratapore filters. I will not buy filters in any auto parts store because I'm wasting my money. Many sites sell much cheaper fleet kits and that's what I got.
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