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  1. 2017-19 GM T-K2 Platform Powertrain
    Anyone running Rotella T6 full synthetic in there l5p or is the general consensus that these motors like Mobil delvac? And follow up question is anyone happy with conventional over synthetic or vis versa for any specific reason.
  2. Performance Upgrades
    So a while back I parked my 2003 2500hd CCLB after having a generous amount of oil come out of my crank case breather tube. I stopped driving it right there and then. Did an oil change and rather than the usual 2.5gal out came 5gallons of really, really thin oil. My first thought was fuel in the...
  3. 2007.5 + (GMT 900) Non Powertrain New Body Style
    Leaking engine oil cooler lines I noticed that the engine oil cooler lines (on the passenger side) of my car are leaking where the rubber hoses connect to the aluminum tubes that go to the engine oil radiator... Any direct and GOOD replacement kit for those leaking lines? It's for a 2008...
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