The Valve Experiment

I use an AirHawk seat pad on my seat for longer rides. It works pretty good. The trick is to run it almost flat, so that it squishes and distributes the air around all the uneven body contours. If it feels like you are sitting on top of a cushion on top of your seat, you have too much air in it.
Agree, and I believe those are the instructions that it comes with "Less is Best". I have an Air Hawk knockoff and run it where it feels somewhat flat but it's perfect.
 
If I didn't have some left over latex foam to repurpose*, I'd definitely consider the AirHawk, but free is for me. I just need to sew up an encasing fabric holder for it, and that's not hard as I already sew things for backpacking purposes.

* (Awhile back, I bought a 3" medium-firm latex topper for the bed. But my spouse has been complaining about it more and more being uncomfortable. So we very recently bought a twin XL latex foam topper in soft. She cut off 8 inches of it, and I cut the old one in half. She now has her soft side and I have my firm side. And now we have a lot of left over latex foam. Stuff is pretty amazing. Will outlast any petro-chemical based foam. Similar as to why they still add latex to butyl rubber for tires-increases the longevity/durability. I just need to figure out if I'm going to use the soft or the medium-firm version. The downside for the latex foam is that I really need to protect it from water, so the fabrics need to be extremely water proofed and the seams have to be well seam sealed.)
 
This is the video in which Speed Jr. talks about this issue:


To be fair, Shell is using a different lubricity fuel enhancer than 2 stroke oil in all likelihood (I don't remember if the exact chemistry was mentioned in the video at the moment. I will probably re-watch it at some point in the near future and if it is mentioned, I'll report back).

Same with the Exxon or Mobil Synergy package … (the FM) …
 
I know that's supposed to be the case but it hasn't been true in my particular experience. Dosing with TCW3 at 1:640 coincided with the disappearance of a slight tendency for my engine to ping. I have heard of another TCW3 user having the same experience.

Maybe there is some threshold before oil has a negative effect. My engine is supposed to use 98 RON but it runs fine on 95 RON dosed with TCW3.
My pinging disappeared too - 3MZ-FE
 
Does adding oil to the gasoline lower its octane?
Because if it does, you can damage your engine if it requires premium fuel or certain octane, but not any lower.
 
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