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been using mobile 1 for many years but oil was getting real dirty around 3-4k miles. I started using Pennzoil Plat full syn to see if any difference. lot of good tests on youtube. sparked my attention. Time will tell. Hear is to the 10yr old thread! LOL
LoL! ... Keep 'er rollin, eh! Sure, I will play!
I change every 5,000km. I do not subscribe to extended changes. In effect are actually two filters in the engine. An element filter (paper/fabric/whatever) and a wet filter. That wet filter is the oil itself. I expect the oil to pickup contaminants and to wash away varnish etc etc. I expect that wet filter, the oil, to darken over time with whatever is too small to be removed by the element filter.
I have used nearly all main brands and types in this hemi over the years. Quacker, Pennzoil, Castrol, Mobil, CT Formula1, ... Some oils it likes and some it doesn't. A few words about M1 wrt my hemi. I was using Mobil 1 oil and M1 filters for awhile. The unsettling "problem" for me was that M1 seemed to never really get dirty. Imho, that wet filter, the M1 oil, was not doing one of the critical parts of its job! With apprehensions about the overall performance of M1, I switched to over to Catrol GTX Ultra Clean just as a test/check. Well, on the first charge from the switch to GTX from M1 the oil was black as night in less than 1000km. The GTX was cleaning up M1's mess. Took 3 more short changes to "clean" up the engine to where the OCI's were back to a normal 5,000km changes, and a nice deep brown at change time. I will never go back to M1 and I personally never recommend it, in anything. Imho, M1 is a good oil but not a great oil. Mediocre product at best. The sun has set on M1's synthetic hype. There are much better out there to be had. Nowadays the main go to oil that my hemi gets is GTX UC. The hemi runs clean, runs smooth, runs quiet. Occasionally I will use Platinum Ultra or EDGE when I happen upon them on sale. Fyi my Hemi is pushing 145,000 miles at time of this writing.
Last edited by FaceDeAce; Nov 26, 2019 at 12:44 PM.
I couldn’t tell you how many different brands of oil I’ve had in my 5.7 over the years. I really don’t think it matters, and I have certainly never use synthetic. My 06 has 330,000 miles, and still runs perfectly. What counts is following the schedule!
330K? WOW would never imagine mine lasting the that long the rust on the block is that of a truck sitting in a junk yard of 20 years. Great work Chrysler!
More like so overpriced. It's probably the best oil out there by a slim margin, but one of the most expensive by a wide margin. You won't catch me buying it, ever.
Originally Posted by 66three83
I couldn’t tell you how many different brands of oil I’ve had in my 5.7 over the years. I really don’t think it matters, and I have certainly never use synthetic. My 06 has 330,000 miles, and still runs perfectly. What counts is following the schedule!
I'm nearing 310K running 0W-20 full syn in my 4.7L. The oil is changed every 7.5K and the filter (good for at least 15K) is replaced every other oil change. I'm currently at 6.5K and the oil is a semi-dark honey color on the dipstick. QSUD is <$20 for the big jug at Walmart, so there is really no reason to run conventional. If there is ever a catastrophe like an overheat or sudden oil loss, it just may save the engine.
This is the stick at 5K....
Last edited by Dodgevity; Nov 26, 2019 at 08:14 PM.
