Recent content by Davejam

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    High UVR and IRR on Factory Glass - diminishing value of aftermarket window tint?

    For a luxury vehicle one might have the expectation that they shouldn't need to seek additional tint. But having said that factory tint will have to adhere to a general spec which covers most/all of the market area (USA) and we know states impose very different laws on tint/VLT.
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    Analysis: PEA in different cleaners (Techron, Archoil, Oilsyn, Pro-Tec)

    PEA can be chemically written several ways, and this is one of them. Its PEA.
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    Analysis: PEA in different cleaners (Techron, Archoil, Oilsyn, Pro-Tec)

    I don't think it is that straightforward, I've given it some thought and done some searching. I think something in the test kit needs to form some complex with Nitrogen or convert it to ammonia. This might provide some guidance: https://patents.google.com/patent/WO2012098258A1/en
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    Analysis: PEA in different cleaners (Techron, Archoil, Oilsyn, Pro-Tec)

    I think you're griping about a marketing video. They are describing the main types of engine cleaners in reasonable detail and clearly state PIB is less favorable one. Ethanol does oxidize to form acids which are problematic for fuel systems.
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    HID Lifespan?

    The downside to most bulbs that boast higher output is much shorter life.
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    Super Start Platinum AGM battery failures.

    5.5 Amps for 30 minutes sounds like the problem...would give most batteries an issue after 2 or less years.
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    Motor Oil Geek on viscosity

    ...Except these are engines, we've been making engines for a long time, its not some sort of new technology, so they can absolutely design and spec the correct oil. In this case they messed up and are sort of band aiding it.
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    The Honda Oil Filter Thread

    I don't believe this is something they would normally comment on. But also would caution that no assumptions should be made of dP based on any other parameter. If the specs look odd for one reason or another i'd move on to the next option.
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    Most PEA Bang For Your Buck

    Top Tier additive designation requires Intake valve deposits (IVD) are less than 50mg whereas the EPA standard is 100mg. So, while its not zero, it is significant. I would say Top Tier fuel should be sufficient for most folks, but you might want to consider running more of a maintenance dose...
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    Most PEA Bang For Your Buck

    You need to be careful where you pull these. There's lots of old versions, old revisions of MSDS floating around the web. These are directly from the respective manufacturers websites as of today: Redline: Sl-1 dated Jan-2025: Chevron Techron dated aug 2024:
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    Where did this QS oil come from?

    "Ultimate durability" line was exclusive for Walmart I believe. There was really no noticeable difference from QSFS (Full Synthetic).
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    Distilled water for mixing engine coolant?

    In what you're describing with steam generators or similarly in boiler systems manufacturers are going to recommend a certain water quality and corrosion inhibitor package based on their system design and materials of construction. These systems are far more sensitive but pretty well understood...
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    Distilled water for mixing engine coolant?

    No, Deionized should be 0ppm. Does it really matter? No and yes. Would you see a difference in a well maintained vehicle following recommended service interval...probably no. Would that coolant degrade more quickly, technically yes. The ideal is 7pH, 0 TDS, 0 GH
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    Most PEA Bang For Your Buck

    Please follow along, you are incorrect. They are all about equal to be fair on $/oz PEA.
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    Most PEA Bang For Your Buck

    I've followed this for a while...previously Gumout Regane listed a higher range, then they introduced the 12oz diluted version for autozone specifically. You can find a Q&A somewhere on here I believe. So I believe the 6oz is 20-30, and diluted version 10-15. There is a gentleman on here that...
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