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  1. O

    2023 3.0 Duramax 29k miles; Mobil 1 ESP x2 0W-20 3.6k mile UOA

    I’d double your OCI. Such great numbers and this oil has lots of miles left! Really good UOA.
  2. O

    Would HPL EC clean this up?

    Close it up and keep doing what you’re doing.
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    Should mower engine need to always use choke to start?

    Always at altitude, 5000ft and higher.
  4. O

    Post your latest oil change

    Interesting. Are you following the Honda OLM? Thanks for posting.
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    Nissan 0W-20 Factory Fill, 1.8k mi, 2023 Armada 5.6 DGI

    Still breaking in. The silicone is probably leaching from the sealants used in assembly. Try another lab with your next UOA.
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    Amsoil synthetic HD Diesel & Marine (AME) 15w-40 w/12k miles, 1995 DD 60 series (DDECIII)

    Looks very good! Carry on.
  7. O

    Valvoline R&P 5W-30, 5k mi; 2019 Lexus RX 350 with 65k mi

    Well….look at the mileage in the UOA and the filthy filter.
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    Valvoline R&P 5W-30, 5k mi; 2019 Lexus RX 350 with 65k mi

    What’s the history of OCI’s? Time, distance and oil used? I’m curious how the engine got that dirty in 65k? Thanks for this post.
  9. O

    Valvoline R&P 5W-30, 5k mi; 2019 Lexus RX 350 with 65k mi

    Interesting. Maybe change the filter 2-3k during the first oil change? I’d still run this oil 5-7k , with a filter change halfway through, and let it do its thing.
  10. O

    2023 Lexus GX460 17.3k mi; Mobil 1 EP 5w-30 @ 2.6k mi

    Exactly. One year OCI…..easy.
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    Neon transmission shifting problems w/ error codes

    Miles?
  12. O

    Valvoline Restore & Protect

    Before and after photos From anyone using VRP on an engine that needs cleaning!
  13. O

    Valvoline Restore & Protect

    I just want to see the before and after photos.
  14. O

    2028 Toyota GR86 replacement!

    Sooooo not a Toyota engine…. High maintenance cost and low reliability.
  15. O

    Thinking of Changing coolant- 2003 Ford Windstar

    Use OEM ford fluid and sleep well.
  16. O

    Odd pits found in rod bearings of 160k mile minivan motor (photo)

    I’d say they look odd, not abnormal given the mileage. But the good thing is you’ll never have to do them again!
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    Toyota's New Low Viscosity Transaxle Fluid

    There is a fill hole, half way up the side. Just suck out the fluid and measure it. Use a simple trans hand-Pump to pump in the same amount. Toyota has been saying “sealed transmission” and “lifetime fluid” for over 25 yrs.
  18. O

    ‘18 Giulia - Driveline Maintenance Session

    Nicely done. Fun car to drive! Yet I was smiling thinking of why we don’t import Italian (except for stelantis) or French cars. What is the common denominator for French and Italian manufacturing?……wine is served with lunch. Look at the engineering nightmare.
  19. O

    Video - Engineering Explained, Do Thin Oils Destroy Engines?

    Give the Blackstone bashing a rest…..please.
  20. O

    Odd pits found in rod bearings of 160k mile minivan motor (photo)

    No. I meant the rod bearings were incorrectly manufactured, and thus defective. They all developed almost exactly the same scar pattern. I’m not sure if having a chamfer on these original bearings would made any difference. It seems the composition of these original bearings might be the problem.
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