Recent content by OhioTech

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    Use 10W-20 as a replacement for XW-20 and XW-30 applications?

    They don’t recommend an HTFS. They added a timing chain wear test on a 2.0 EcoBoost, and that was the result - with the bare minimum add packs used in shelf oils - the SP formulations ended up with slightly thicker base oils to pass the test. Race to the bottom, cheapest way out…
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    Use 10W-20 as a replacement for XW-20 and XW-30 applications?

    Not so much. Oils are formulated wildly differently. Most 5W-30 SN oils had HTFS in the range of 1.8-2.1. With SP, that’s now 2.1-2.2 to pass GF-6. In the case of HPL no VII, HTFS = HTHS. So 3.x… Lot less work for the add pack to do. Also, with GTDIs that have dilution, the lack of VII for the...
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    Use 10W-20 as a replacement for XW-20 and XW-30 applications?

    The older 10W-20 Formulation was 2.84, IIRC. At the time, the no VII line wasn’t even a thought probably. In my case, it made particular sense as the engine I had is prone to significant fuel dilution (which the 10W-20 is highly resistant to) and it had no VII for the fuel to break down...
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    Use 10W-20 as a replacement for XW-20 and XW-30 applications?

    If you are using it as opposed to a 30 weight due to the HTHS.
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    Use 10W-20 as a replacement for XW-20 and XW-30 applications?

    They currently offer a 5W-20 no VII if your application calls for a 5W-20.
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    Under valve cover pictures - 2014 Dodge Durango 164,000 miles total, 52,000 miles on HPL HDEO 5w-20

    Most likely could have done more. At 7500 miles, it showed 3 points up on oxidation and nitration, viscosity was 8.1 cSt (VOA was 8.4). Fuel Dilution was ~4.5%. TBN was 7.81. And wear numbers were 1/2 what most users using a shelf option were seeing with intervals half as long! So I have...
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    Use 10W-20 as a replacement for XW-20 and XW-30 applications?

    Starter drag when cold will be the stopping point on the 10W-20. MRV is similar to most 5W-30s. How it performs used… is anyone’s guess. Most oils suffer dramatically reduced cold start ability from fuel dilution, combustion byproduct accumulations, etc. Those guys maybe have tested a used...
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    Under valve cover pictures - 2014 Dodge Durango 164,000 miles total, 52,000 miles on HPL HDEO 5w-20

    The 10W-20 performed exceptionally in my Mazda CX-9!
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    Best 0w20 to resist fuel dilution in Honda 1.5 TGDI engine? And use in Honda J35 V6s?

    Unfortunately no. My assumption is that between leaving Japan, and getting to Cleveland, it saw significant idle times. I generally run a new engine ~300 miles, and change oil. I carried this one out, and made an interstate run for a large portion of that, cycling up and down the RPM range in...
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    Best 0w20 to resist fuel dilution in Honda 1.5 TGDI engine? And use in Honda J35 V6s?

    My initial sample had 4.6% in 211 miles. I nearly had a heart attack!
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    Best 0w20 to resist fuel dilution in Honda 1.5 TGDI engine? And use in Honda J35 V6s?

    You’ve seen my results on my Mazda - I run Top Tier 93 consistently - I have over 4% fuel dilution on a normal interval. Then again, the factory oil lost 15% of its viscosity from 4.6% dilution, and the HPL lost 3.5% @4.3% and still has about 8% of the original fill affecting it! I was told at...
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    Use 10W-20 as a replacement for XW-20 and XW-30 applications?

    2.86. 2.9-3.5 is a U.S. 30. Older Euro 30s will be 3.5+. Factory Mazda fill is 2.94. It also has significant dilution issues. Seemed like a great option for my application! The HTFS goes from the SN factory oil at 1.9, to about 2.7. My wear trends so far would play out that’s probably...
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    Penzoil Platinum High Mileage Full Synthetic 0w-20, 4,933 Miles, 2019 Jeep Grand Cherokee Limited

    This is because there is more VII additive in the 0W-20 with a thinner base stock typically - that hurts HTFS - and so valvetrain, timing chains, and ring/liner interfaces where full temporary shear occurs, will have higher wear rates. Finding a 0W-20 with a relatively high HTFS and relatively...
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    Penzoil Platinum High Mileage Full Synthetic 0w-20, 4,933 Miles, 2019 Jeep Grand Cherokee Limited

    https://bobistheoilguy.com/forums/threads/dodge-durango-3-6l-hpl-ck-4-5w-20-7-000-miles-on-oil-147-000-total.359509/
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    2022 Mazda CX-9 - HPL PCMO 10W-20 - 7,211 Miles

    The CCS will be the limiting factor for cold operation - and while it can get below 0 on occasion here - in the 3 years I've been here, haven't seen it yet! IF that happens - I'll park in the garage next to the apartment - where it will be significantly warmer due to heat from the building. MRV...
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