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  1. bob58o

    Predator 301 piston rings?

    After a month working in retail… if all else fails do what everyone else does…. Buy a new 301cc, remove the rings, return the engine saying no compression / doesn’t start. It seems to be common for customers to just steal what they want and return the rest, or a different tool, or a rock, or...
  2. bob58o

    Predator 301 piston rings?

    Calling around for kart parts the best. Do you have 80mm piston rings? What vehicle is it for?
  3. bob58o

    Predator 301 piston rings?

    I was looking at the gx240 / gx270 and I don’t think it said 80mm for either, but the info was suspect anyway since it gave the exact same bore and stroke for the 240 and 270 which upset me. Lol
  4. bob58o

    Diamonite Electrathon America Racer

    I’m already quite broken. lol And I never took a fluid dynamics class, so I don’t know much except what I learned watching wind tunnel videos of the Cletus Car. Besides that… I just think about how and why airplane wings and carburetors work. That’s my limited experience with fluid dynamics...
  5. bob58o

    Predator 301 piston rings?

    What I found…. Not sure about thickness though. I didn’t even know common thicknesses were 1.2 and 1.5 mm. 1993–2008 Honda TRX300 Sportrax TRX300EX: A big bore kit for this model has a bore size of 80 mm and a stroke of 65.50 mm. https://a.co/d/fcjLNQN
  6. bob58o

    Diamonite Electrathon America Racer

    More physics is just adding more force arrows on the free body diagram.
  7. bob58o

    Diamonite Electrathon America Racer

    This is the beginning of (and worth partial credit on) any physics problem.
  8. bob58o

    Diamonite Electrathon America Racer

    You forgot about the laws of spelling. Yin and Yang. Not Ying. I know this because my favorite Yoga videos on YouTube are 20 min Yin Yoga classes for lower back pain and sciatica.
  9. bob58o

    Predator 301 piston rings?

    EC Carburetors has them listed but out of stock.
  10. bob58o

    Predator 301 piston rings?

    This says 80mm and looks like Honda GX / Clone style rings, even though it says TRX300
  11. bob58o

    Fuel injection??

    With that ISKY bumb stick. Next engine I put together gunna have to have the Black Mamba Sr.
  12. bob58o

    Fuel injection??

    I’m sure I mentioned it before but repeating the same stories is part of aging. Gabby Bleeker, the Chicagoland Drag Race Legend, was a regular customer at the last bar I worked. He would come in while the girlfriend was shopping and would sip diet cokes and watch the White Sox. I’d ask about...
  13. bob58o

    Fuel injection??

    Remembering the days of “Denny The Human Cannon Ball”?
  14. bob58o

    governor rod

    https://www.illinoispolicy.org/4-of-illinois-past-10-governors-went-to-prison/
  15. bob58o

    Fuel injection??

    What is best method for crank position sensor with Speeduino? I know Hall Effect Sensors and Timing gears with a tooth removed are sometimes used. Is the the main way to do this on DIY small engine EFI builds?
  16. bob58o

    Fuel injection??

    If I ever get the stoopid charger engine to work with a carb, I’d eventually like to learn Speeduino or whatever and engine management stuff. Robot Cantina did a build or two adding EFI and troubling shooting a DIY system. Really I just want to look cool on my minibike with a laptop and fuel...
  17. bob58o

    Fuel injection??

    Boost, like life, only begins past 60.
  18. bob58o

    Special message for Denny! From XYZ bearings.

    Please Only Feed the Animals After Midnight! https://youtube.com/playlist?list=OLAK5uy_lNOrJ8hbS9wMOO6rjl1AidMFoAXdajcOs&si=zqAI3oJ0s3XBGPCU
  19. bob58o

    Special message for Denny! From XYZ bearings.

    Math Man All Night Girl Talk All Day
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