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  1. M

    Valvoline Premium Blue Restore

    Is this (or one of their other oils listed) anything close to the Valvoline Restore. I've never tried any of Hot Shots stuff so I know nothing about it. Their claim of " 15W-40 is a 100% pure poly-α-olefin (PAO) Group IV synthetic oil" did catch my eye though.
  2. M

    CK-4 oils in an older 5.9 Cummins engine

    I've been using Rotella T6 5W40 oil for years in my '02 Dodge Ram with no problems. As I'm approaching 200K miles on the rig I recently switched over to Delo 400 XLE 15W-40 thinking the heavier oil would do a better job on an older engine. The Delo seems to be doing fine, is way cheaper and I...
  3. M

    2 year old oil looks clean in diesel

    My 2003 Jetta TDI would turn a fresh oil change black by the next day and yes it did have EGR. My '02 Dodge Ram w/5.9 Cummins on the other hand never actually turns black. After several thousand miles the oil gets a dark honey color but no where near black. Neither vehicle burned much oil so I'm...
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