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Recent content by Nutball

  1. Nutball

    What oil is best? and what ratio?

    Makes sense, but it's probably more so the silt passing by them.
  2. Nutball

    What oil is best? and what ratio?

    Is oil abrasive to engines? Like how water makes river rocks smooth?
  3. Nutball

    Rotella 15w 40 oil in a B&S?

    The higher zinc may simply be dues to the higher calcium, since the detergent supposedly competes with anti wear additives such that, an increase of one requires an increase of the other to work properly. Here's a question only science can answer while we just theorize: Does a catch can shorten...
  4. Nutball

    Rotella 15w 40 oil in a B&S?

    Probably some reaction with the fuel, since it's not a problem in diesels, because they ignite as soon as the fuel comes out of the injector, according to my understanding of diesels. More calcium must be good or they wouldn't still make diesel oil that way.
  5. Nutball

    Rotella 15w 40 oil in a B&S?

    Supposedly the increased calcium (detergent) content in diesel oil can increase the likeliness of pre-ignition in direct injection turbo gas engines. I have no idea how, but apparently when pre ignition occurs around the piston rings, there's enough force to break the piston.
  6. Nutball

    Rotella 15w 40 oil in a B&S?

    Looks like there's some do's and don't to keep in mind. You could make your own easily enough, and it looks like one with a large paper filter will do the best job catching the oil vapor.
  7. Nutball

    400 CM Build

    I'm guessing if the coating is intentional, it is to help it cool better. Dark surfaces radiate heat better.
  8. Nutball

    What oil is best? and what ratio?

    More fuel + more air = more power which means I don't need as much throttle as in the summer, except to fight through the denser air. Just think about it for a while. I may be the stubborn one who will come around and agree a week later, but it could be you too.
  9. Nutball

    What oil is best? and what ratio?

    More fuel isn't needed if you don't push the pedal down as far. Assuming a person keeps their summer and winter acceleration constant, wind resistance will be the dominant factor, especially when coasting down hill or to a stop. Anything that slows the vehicle, be it wind resistance or brakes is...
  10. Nutball

    So what's the current two stroke oil favorite?

    I have some I run at 32:1 because it leave the engine looking dry inside. I've run benol at 25:1 and the piston was so wet, no carbon could stick to it. I'd have to run a longer test to confirm. Got some smokeless synthetic equivalent of benol I still haven't tried: KL-198
  11. Nutball

    What oil is best? and what ratio?

    Not a bunch, just enough to smell from lots of gas cans. I think you are wrong here. The worse MPG is by far due to driving through denser air. The aerodynamic factor weighs in much more than the increased power made from burning more fuel in denser air.
  12. Nutball

    What oil is best? and what ratio?

    Would you agree that blends vary by region? I smell the difference around here. Gas cans stinking up the garage.
  13. Nutball

    What oil is best? and what ratio?

    Makes me wonder what else you haven't noticed.
  14. Nutball

    SOLD 066/660 used cylinder

    I was wondering. Something didn't look quite right. I assumed it was probably OEM since it came off a repair from way out in the country, and was sitting in a Stihl box. No KS or MAHLE on it.
  15. Nutball

    What oil is best? and what ratio?

    That explains why costco gas smells weird. Not as bad as kroger gas, but it stinks in a different way.
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