PreMix - Any failures?
#26
If your premix has those specs (ISO-L-EGD, JASO FD, API TC ) you will not damage your cat
#30
#31
#33
Bump for the interest of gathering information. After flipping through 70+ pages of the main pre-mix thread there still isn't enough info about using 2-stoke and repercussions on fuel pump, o2 sensor and cat. This thread is it! Question is, anyone have more datapoints? My OMP is on its way out and the most I think about it, I want to start pre-mixing with idemitsu.
#35
Thank for giving your side of things but I am rather proud that I have done homework. I actually sat through 4 hours of looking through that whole thread, I was going to settle for MMO but decided that a real 2-stoke engine oil would be better, since MMO is more of a cleaner rather than a good lube by more common consensus. I am just not convinced that there is enough "real" datapoints to suggest that long-term usage of two-stroke oil as pre-mix including idemitsu is not dangerous for downstream components such as 02 sensors, Cats, etc. Once again thank for speaking up.
#36
You think you can let me know @ 110k too
#37
Thank for giving your side of things but I am rather proud that I have done homework. I actually sat through 4 hours of looking through that whole thread, I was going to settle for MMO but decided that a real 2-stoke engine oil would be better, since MMO is more of a cleaner rather than a good lube by more common consensus. I am just not convinced that there is enough "real" datapoints to suggest that long-term usage of two-stroke oil as pre-mix including idemitsu is not dangerous for downstream components such as 02 sensors, Cats, etc. Once again thank for speaking up.
That being said, you're right, we've got no hard evidence it helps, or what ratio works best, or even what product, if any, is superior. Racers swear by it, so that means something to me. We all end up doing what we "feel" is right and have to live by it.
BTW, I hate search ***** too. To bad they can't channel some of that energy into answering questions instead of indulging internet superiority complexes. Good luck with your car.
-Wes
#38
#40
#41
#42
FWIW, I've been premixing with Idemitsu every other tank since after engine break in period.
Almost irrelevant info: Too lazy to do every time because I have an unusual fueling routine. We have no 91 octane where I am - only 93, 89, and 87. I don't wanna waste money on 93 for every tank, so I fill up with 93, use it up till it dips below the half mark and fill it up with 89. That's when I stuff the 5oz of premix into the tank.
I run 89 in the winter though.
Almost irrelevant info: Too lazy to do every time because I have an unusual fueling routine. We have no 91 octane where I am - only 93, 89, and 87. I don't wanna waste money on 93 for every tank, so I fill up with 93, use it up till it dips below the half mark and fill it up with 89. That's when I stuff the 5oz of premix into the tank.
I run 89 in the winter though.
#44
Thank for giving your side of things but I am rather proud that I have done homework. I actually sat through 4 hours of looking through that whole thread, I was going to settle for MMO but decided that a real 2-stoke engine oil would be better, since MMO is more of a cleaner rather than a good lube by more common consensus. I am just not convinced that there is enough "real" datapoints to suggest that long-term usage of two-stroke oil as pre-mix including idemitsu is not dangerous for downstream components such as 02 sensors, Cats, etc. Once again thank for speaking up.
do you know what breaks O2 sensor/Cat ? nope
So yeah, you might as well just stfu now.
Pipe Dreams, remember, the rotary is a two stroke with a total loss oiling system. The engine dumps raw oil into the combustion chambers and is a recipe for problems with cats and 02 sensors. The problem is that the OMPs are marginal at best, so a 1:400 premix ratio can't hurt. What it boils down to is what do you want to fail, your motor or your 02 sensors or cat.
That being said, you're right, we've got no hard evidence it helps, or what ratio works best, or even what product, if any, is superior. Racers swear by it, so that means something to me. We all end up doing what we "feel" is right and have to live by it.
BTW, I hate search ***** too. To bad they can't channel some of that energy into answering questions instead of indulging internet superiority complexes. Good luck with your car.
-Wes
That being said, you're right, we've got no hard evidence it helps, or what ratio works best, or even what product, if any, is superior. Racers swear by it, so that means something to me. We all end up doing what we "feel" is right and have to live by it.
BTW, I hate search ***** too. To bad they can't channel some of that energy into answering questions instead of indulging internet superiority complexes. Good luck with your car.
-Wes
Until you actually help at least 50% of the n00b post that shows up every day, how about stfu ?
Expo is here. so yeah, you failed again so stfu ?
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