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Old 10-06-2009, 11:37 AM   #1
overheat
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Default Fuel Help 91 or 98 octane? which one do u recommend?

Hi guys i just bought a new mazda 3 2010 maxx sport its got a 2.0 litre engine, sorry for asking this question im a noob at this and dont wanna mess up my engine up im in melbourne btw and i just wanna ask which petrol do you recommend to use on my mazda3 is it ok to stick on 91 octane unleaded or shud i switch to 98 V-power? really need ur opinion on this thanks!
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Old 10-06-2009, 12:37 PM   #2
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Default Re: Fuel Help 91 or 98 octane? which one do u recommend?

91.
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Old 10-06-2009, 03:16 PM   #3
youngun
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Default Re: Fuel Help 91 or 98 octane? which one do u recommend?

If you take a look at your owners manual it will clearly tell you what octane to run. Higher octane fuels are not needed unless the motor is designed for it. This has been debated over and over and over again till people are blue in the face. The only real time you need to rais the octane on your motor otherwise would be if its starting to ping on the current octane fuel your using, which usily changes with altitude requirements.

This is for a Mazda 3 in its stock form of course without FI
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Old 10-06-2009, 03:33 PM   #4
cali_axela
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Default Re: Fuel Help 91 or 98 octane? which one do u recommend?

They really call that trim level the "Maxx Sport" over there? Interesting.

And yes, like Youngun said, stick to whatever minimum octane your owner's manual recommends. Higher octane is just a waste of money if the engine isn't pinging with the lowest octane gas. BTW, over here the 2.0L only calls for 87 octane, not 91.
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Old 10-06-2009, 03:42 PM   #5
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Default Re: Fuel Help 91 or 98 octane? which one do u recommend?

[quote author=cali_axela link=topic=157827.msg3357309#msg3357309 date=1254857596]
They really call that trim level the "Maxx Sport" over there? Interesting.

And yes, like Youngun said, stick to whatever minimum octane your owner's manual recommends. Higher octane is just a waste of money if the engine isn't pinging with the lowest octane gas. BTW, over here the 2.0L only calls for 87 octane, not 91.
[/quote]

Wow Maxx Sport, really! That's kinda cool for trim name.
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Old 10-06-2009, 03:51 PM   #6
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Default Re: Fuel Help 91 or 98 octane? which one do u recommend?

From mazda.com.au

Regular unleaded (min. 91RON)
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