Will Synthetic oil ruin my turbo?
- Thread starter Peter B
- Start date
MikeHTally
Member
- :
- 2008.5 Speed3, 2006 Chrysler 300C, 2003 Ram 1500
Nothing in the manual recommends (or prohibits) synthetic oil, just that it meets the industry specs and is the right weight. It is too bad the dealers often know less than an informed consumer, but it isn't only Mazda dealers, it's all of 'em. Surprising since the entire industry is in the toilet for one reason or another.
Synthetic is not recommended in a rotary because oil is metered into the fuel to improve sealing in their long rectangular combustion chamber. The synthetic doesn't burn well.
Hang out on www.bobistheoilguy.com if you want to learn about oils, or save yourself the time and just use Pennzoil Platinum 10W30 in an MS3. It handles the characteristic fuel dilution better than other oils and doesn't shear down in viscosity. I used Mobil 1 for 25 years, I use PP now. It's even cheaper.
-enganear
Is that within specs stated in the service manual? Also, if I bought some of that do you think the service techs at Mazda would put it in since it's not 5w30? Oh, and where do you buy that?
FrequentFlyer
Member
- :
- 2008 CWP Mazdaspeed3
I would use either a 10W-30 or a 5W-40. Either way, you want the oil to remain thick when hot, rather than shearing down to a 15 or 20 weight after 4-5k miles.
You will probably get some story from the Mazda techs, all they know is 5W30 for the MS3 and 5W20 for the regular 3 and they frequently confuse that. The only reliable oil change is the one you do yourself.
I buy my PP at OReilly's, but Walmart carries it, too.
-enganear
boxter4ever
Member
syn. oil!
hi, maybe look at it like this a new 150,000.00 tubro porsche is full of mobil 1.(yes)
hi, maybe look at it like this a new 150,000.00 tubro porsche is full of mobil 1.(yes)
cornflaykes
Member
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- 07 Mazdaspeed 3 GT
Do not ask your dealer any questions about your car. They are one of if not the worse sources of information available.
You may find someone there that knows their ass from a hole in the ground, but more than liklely, you will not
It would be great if engineers had to study to be a mechanic before becoming an engineer, then they may design somethign that is maintenance freindly.
Just because your a mechanic doesnt mean your a good one, as goes with any profession
tomcranems3
Member
- :
- 2008.5 Mazdaspeed 3 - Black Mica
Amsoil Full synth here - been using it since the first oil change (have had 2 changes now with Amsoil) .. i run it in all my cars
Mach
I agree with that too. I have seen some engineering designs that make my brain hurt. Sometimes the fix is so simple a 6 year old can spot it.
What can ya do?
I belive your oil is suppossed to get dark, thats a good thing.
fuel dilution? are your rings bad?
lol when is dark oil ever good?
well i just assume that since the mobile 1 showed earlier signs of break down like getting darker and such that it was caused by more fuel dilution. I believe some cars do have fuel dilution regardless if the rings are good, just not enough to cause enough lost of vascosity to the point of engine failure.
well i just assume that since the mobile 1 showed earlier signs of break down like getting darker and such that it was caused by more fuel dilution. I believe some cars do have fuel dilution regardless if the rings are good, just not enough to cause enough lost of vascosity to the point of engine failure.
