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Why the 50/50 blend?? Just curious, not familiar with Dominator, what's its claim to fame???

No, that link doesn't work anymore. Mercury probably deleted that link when they discontinued the oil.

TCW3 is a rating test. It is run at 6,000 rpm on a water cooled engine. That doesn't mean...

The Wiendant link works for me, if it doesn't work I'd go to the Wiendant performance technology home page and then go to the racing products drop down menu and then click on the 2 cycle lubricant...

Rejuvenate was discontinued last year. I mentioned that in post 11 of this thread. Up until now it has still been available at West Marine and a few other places. West had it on clearance and I...

Lower cylinder wall temps would increase the viscosity of the oil on the walls, which might allow the oil concentration to be a bit lower to have the same effect.

But OTOH I'm doubting that...

Great stuff Z, nothing like real data to put things into perspective, and no question Tim you need enough oil to help seal the rings, but too much oil is likely to cause power reduction too, so you...

Rotax says that at 50:1 the oil cuts two points off of the typical octane rating. Do the math, the octane rating of oil alone is pretty low. If you are running 10:1 you have lowered the octane...

I think all of these are great questions and putting data points together is great. As you said, you have to put the ratio together with the oil. Some oils don't provide as much lubricity, but you...

We were running a small two stroke engine that had direct injection on heavy fuel (JP-5). Understand that to do that we had to reduce the compression ratio and alter the ignition and fuel injection...

As I said in the first paragraph, I found this discussion on another board, I didn't write it, and I'm not a lubrication engineer so I can't intelligently discuss the different synthetic oil base...

This is a pretty interesting subject since oil has changed so much from when most all 2 cycle oil was intended for outboards since that was the biggest market. I found this discussion on another...