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  1. 2011 Chrysler 300 - 300c
    Napa ondemand 5 direct is calling for 5w30 - ACEA C3 AND MB 229.31 OR MB 229.51 only The only thing we have that meets or exceeds from what I have seen so far is the Liqui Moly! so what do you use?
  2. Chrysler 300 Mechanical Problems and Questions
    Hello, I have a Chrysler 300C 5.7 HEMI made in 2005 The previous owner changed oil every 15000 miles therefore the crankshaft broke. I uninstalled the engine and replaced the crankshaft, crankshaft bearings and con rod bearings. 1500 miles later I started the car in the morning and the engine...
  3. Chrysler 300 Mechanical Problems and Questions
    Hello all, I am in need of some direction and want to see if anyone else has had this problem or may have resolution. I have a 2005 2.7 chrysler 300 w/140k on it I had the oil changed at a carwash oil special shop 3 weeks ago and by evening I was getting a red check oil light dimmering off and...
  4. Chrysler 300 Performance Mods - Engine - 6.1L
    There's been an ad in Hot Rod for a few months for an oil "booster" called PX3. Their claims were impressive - "up to" 5% horsepower, and an improvement in gas mileage. Yeah, I know, most of them are BS. However, when I went to their website, they showed dyno test results. One was for an '06...
1-4 of 5 Results