Oil Choices

zoomzoom9

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2011 Mazda Mazda2 Touring MT
I'm due for my first oil change and am interested in extending my oil change intervals since I put around 3k miles/month on my Mazda2. I'm getting Amsoil 5w-20 (the shop couldn't get 0w-20), and putting a Mazda oil filter in. Has anyone had any experience with extending the oil change interval to 7.5k or even 10k miles? Will the Mazda oil filter go this long?
 
Well in my country the oil changes is 15k km's. So the filter is fine, we use 93/95 octane fuel here and RSA is quite hot. I have 60k now on and had my car for nearly 4yrs now with no problems. Thus it will last longer.
 
The standard recommendation for the 2 is 7500 miles on OE syn-blend. That's not even pushing it, that's just what the factory service manual says. On fully synthetic you could probably run it to 10K and well beyond if it's not burning oil.
 
After my break-in change I've been changing at 7,500 miles on Redline 5W-20 synthetic. I've used the Mobil 1 #108 filter and currently have the Purolator Pure 1 filter installed, next will be the standard Mazda OEM filters. (assume the OEM filter will be OK)
From what I've read, the 0W is for "improved" fuel economy vs. 5W.
 
I believe that Castrol now has a 0-20 out.

Honda also has a 0-20. May be cheaper or more expensive depending upon your Honda parts guy.

Mobil also has a 0-20 but based on previous experience with what showed up on my manetic drain plug. I'll use other than Mobil 1 oils.

John
 
The standard recommendation for the 2 is 7500 miles on OE syn-blend. That's not even pushing it, that's just what the factory service manual says. On fully synthetic you could probably run it to 10K and well beyond if it's not burning oil.

I've gotten my first two changes done at the dealer. They made a point to tell me that the car comes with and uses full synthetic 0-20.
 
Mobil 1 0W-20 from Rosenthal Finishline Performance with Mazda (Made In Japan) Filter.
 
I'd stick with 0w-20 if I were anybody. These motors have VERY low tolerances, and there is a very good reason Mazda is running 0w-20 in all there 2011+ 4 cylinders. Mazda CAN and WILL void your warranty if something were to happen down the road if you can't prove you've kept up to par on your oil changes, and use the CORRECT weight and type of oil. You don't have to use the brand Mazda tells you, but keep a receipt so you can CYA if you catch my drift.

I'd seriously consider making this a sticky or something...be warned.
 
Since you work at a Mazda dealer, do you know Mazda's stance on OCI's? I'm going to do the 5000 mile interval (even with the factory fill). Do they consider time a factor, or do they base it strictly on miles? I'll be changing my oil once a year with the 5000 mile interval because my DD duty is split between the 2 and the Miata.
 
Since you work at a Mazda dealer, do you know Mazda's stance on OCI's? I'm going to do the 5000 mile interval (even with the factory fill). Do they consider time a factor, or do they base it strictly on miles? I'll be changing my oil once a year with the 5000 mile interval because my DD duty is split between the 2 and the Miata.

By OCI's I assume you mean "Oil Change Interval." Your 5,000 mile once a year oil change will be fine. I've yet to see a warranty claim be denied strictly off time alone, now mileage, that's a different story. I'm not saying everybody just drive your cars 5000, and wait 5 years to get a oil change, thats just an extreme example of waiting forever, lol. Ever since the Rx8 engine fiasco, Mazda is getting very picky will the small stuff. Just keep all your receipts, and keep up on oil changes and you'll be good to go.
 
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Dealer cant void your warranty because of the oil you use on your car. They must prove that it was the oil that killed your engine. (ask me how i know this!) And trust me it costs them a lot of time and money to be able to prove it

Keep all your receipts definitely. But use the oil you want. Its Mazda's fault the RX8 had problems! using a 5W20 oil that didnt hold up in the long run to the engines running temps.
 
Dealer cant void your warranty because of the oil you use on your car. They must prove that it was the oil that killed your engine. (ask me how i know this!) And trust me it costs them a lot of time and money to be able to prove it

Keep all your receipts definitely. But use the oil you want. Its Mazda's fault the RX8 had problems! using a 5W20 oil that didnt hold up in the long run to the engines running temps.

Yeah, actually they can...sorry. It would be proven pretty quickly. I wasn't aware you had to handle a warranty claim because somebody used the wrong viscosity oil, but whatever. Sometimes Mazda doesn't give a flying flip, sometimes they do, I dunno. I'm not the decider, just the messenger.

You do realize they still recommend and use 5w-20 in the newer Rx8's right?

Took it to PM's to avoid clutter...
 
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I think I'm gonna use Eneos 0w-20 with a factory/K&N filter when I make my first change.
 
ZoomZoom9,

I clicked on your Fuelly thing there & it said you got 49.2 mpg's.

How on earth did you do that?
Did you just coast down a hill for 159 miles? :)

I was bummed because I got my lowest ever of 32 last tank even though I was having fun for that go around,
so I drove real careful this tank just to make sure everything was ok & got my highest of 41.
Now that I know it's ok I'll just go back to driving normal which should put me about 36 average.
 
Sorry I haven't checked this thread in a while, been busy and was moving last week so I didn't have internet access.

Anyway, I ended up putting the Amsoil 5w-20 in with a Mazda OEM filter. I've put on around 1700 miles with it and haven't noticed any issues with the different oil. I do think I may go ahead and get another change at the 5k interval just to get back to the 0w-20. I haven't been able to check the difference in gas mileage unfortunately to see if Amsoil is any better since I now have a different route every day. I will check to see if there's a difference between 0w-20 and 5w-20 though and report back...I have a feeling it will be negligible. From what I understand, the 0w-20 is better for colder weather than the 5w-20, and that's the primary difference. From what I read, it's difficult to prove the oil caused an engine problem, but to play it safe I'll just go ahead and change back at the 5k interval.

MacAttack -- the 49.2 MPG is really just a fluke. Unfortunately in NJ you can't pump your own gas, and sometimes you get a guy who wants to fill it to the brim and others that just let it click off and they're done. You'll see the MPG before that was only 31 MPG, and that was because the guy topped it off completely, and then the next guy just let it click off. I like to keep track of all my fillups, so I enter them even when they're not consistent like that time. I wish I had gotten 49.2!
 
Yeah, actually they can...sorry. It would be proven pretty quickly. I wasn't aware you had to handle a warranty claim because somebody used the wrong viscosity oil, but whatever. Sometimes Mazda doesn't give a flying flip, sometimes they do, I dunno. I'm not the decider, just the messenger.

You do realize they still recommend and use 5w-20 in the newer Rx8's right?

Took it to PM's to avoid clutter...

Ahh, the RX-8...I had one a few years back, I absolutely loved that car. However, from all the people I knew who had their engines blow up on them, I'm glad I just leased mine!

If I remember correctly, the RX-8 was extremely specific on oil, and it was conventional only, not synthetic, right? It also required short intervals and you have to check your oil constantly since it eats oil like crazy. So, on an RX-8, I can imagine engine oil would play a huge part in its performance and could easily cause problems. However, on a normal, non-rotary engine, I don't think the oil makes as big of a difference, and as long as it's keeping everything lubed up, I think it's fine. That may also be the difference in the "proof" that the oil did the damage -- much easier on a rotary engine to determine the oil caused the problems than a non-rotary.
 
yes the RX-8 was recommended 5W20 (in the US only). Why? Because the lower weight oil gives you more fuel economy, but less protection. The rotary was right on the edge of not being able to be released with US Strict laws. this is why they went with the 5W20, which is also why engines started blowing up. Thats why this problem wasnt really heard of in other parts of the world they were recommneded higher weights.

obv we arent going to get into the RX8 here....but basically what im saying is all the new eco cars are lower weights to help with gas mileage competition. but for those of you in high heat areas personally id recommend going with a lil higher of a weight because the oil loses protection with high heat....not saying go 20w40 here. i myself am going with 5W30 on the Mazda2....

but this is what happens when you start oil threads...the debate is endless hahaha
 
Yes, yes it is. Run whatever oil you want, I myself will not be running 0w-20 in the kind of heat I live in, I'll take my chances :) All my maintenance will be logged at our Dealership anyway, doesn't say on the receipt what kind of oil was used...
 
dont mean to hi jack this thread but im planning a trip tomorrow and im currently 440 miles and heading to las vegas which is roughly 600 miles. now question is when do i do my first oil change? 2k or 1k mile?
 
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