Your only choices are Seadoo oil (XPS), Amsoil, Mystic and Lucas.
Can you provide links to the API-TC oils from Amsoil, Mystic, and Lucas please?
I just called Quicksilver to discuss this a bit. This is their official paraphrased statement on the current full-syn PWC oil that we are discussing here:
The Full-Syn PWC currently sold is NOT TC-W3 oil, but is also not rated as an API-TC. It is a low-ash oil.
Because I like to learn, I started reading about the TC-W3 and API-TC certifications themselves, which is kind of interesting. This was a very informative read:
https://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=printthread&Board=13&main=35988&type=thread
Here's my best summary, feel free to correct me or add:
- Additives are added to 2-stroke oil to help burn away residue after every power cycle.
- Lower ring land temp engines work better with ashless additives. The market for these is much larger than engines with high-temp ring lands, so that's why you can easily find TCW3 oils.
- Higher temp ring land engines burn the residuals away better with low-ash additives. (Heavy metal additives, calcium and magnesium, that are not great for the environment.) The market for these types of oils is very small.
- Getting an API oil rating is expensive. About $75,000. It is not worth it for most manufacturers given the limited market. It is worth it to get a TCW3 rating since the market is so much bigger.
- Bombardier is one of the few, if not only, manufacturers that paid for the API-TC rating.
- QSPWC exceeds JASO FD standards (JASO, TCW3, and API are just three different oil rating companies. ) You can look up JASO FD specs here:
JASO FD | Lubrizol Additives 360
- Ash content is determined by charring the oil, treating the residue with sulfuric acid, and evaporating to dryness, the result being expressed as % by mass.
- JASO FD does require a min resulting ash content of at least .18%.
So long story short, QSPWC probably is OK for our engines but you will never get an API-TC cert for it because it is not economically feasible for QS to purchase. I think what QS is basically saying is that they made the oil to meet API specs but didn't pay to get the actual certification.
Additionally, QSPWC COULD NOT POSSIBLY get a TC-W3 certification because that cert requires no ash, whereas QSPWC does contain ash per the JASO specs they quote.
So now I'm on a mission to find out if those Amsoil, Mystic, and Lucas oils do in fact carry the API cert. Because, if not, there's probably no reason to believe they are any better or different than QSPWC. They're pretty small companies with low volume, which means paying for the certification would be even less economically viable for them.
