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post #1 of 25 (permalink) Old 08-12-2019, 07:37 PM Thread Starter
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Default New Infiniti Owner

Hi all, just picked up a new 2018 Q50 Red Sport last Friday. Just looking for some general tips and knowledge that others have learnt about maintaining their Q50's. I'm in Calgary AB and wondering if anyone has any fuel recommends. The owners manual recommends 93 rating but I don't know if I have ever seen a gas station around here with 93, mostly just 91. Looking to get a little bit into mods down the road and wondering if anyone has a recommendation as to where to start. Also just looking any general maintenance tips people may have. This is my first new car and the first one I really care about and want to baby and make sure I take good care of. Thanks in advance!
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post #2 of 25 (permalink) Old 08-12-2019, 08:32 PM
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Welcome fellow Cunacky, if 93 is not available for you use ,91, take your time and learn a bit about the car, you will have plenty of time for modding, here in Toronto we have 93-94 octane, I'm sure you may get some help from fellow Calgerian,(bigheadclan).

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post #3 of 25 (permalink) Old 08-13-2019, 10:34 AM
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Welcome. Congrats on the new car.

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post #4 of 25 (permalink) Old 08-13-2019, 11:08 AM
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Originally Posted by grahamd14 View Post
Hi all, just picked up a new 2018 Q50 Red Sport last Friday. Just looking for some general tips and knowledge that others have learnt about maintaining their Q50's. I'm in Calgary AB and wondering if anyone has any fuel recommends. The owners manual recommends 93 rating but I don't know if I have ever seen a gas station around here with 93, mostly just 91. Looking to get a little bit into mods down the road and wondering if anyone has a recommendation as to where to start. Also just looking any general maintenance tips people may have. This is my first new car and the first one I really care about and want to baby and make sure I take good care of. Thanks in advance!
Welcome fellow Calgarian, in terms of fuel 91 octane will do fine Nissan engines in particular like Shell gas (0% eth content) but you're right 93 is pretty rare in our city. Husky or Petro-Can stations
are probably your best bet if your looking for higher octane.

The Petro-Can on 8 Ave & 19 St NE has 94 but I think it's just 91 octane + booster which you could honestly just do yourself for cheaper.


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Welcome fellow Cunacky, if 93 is not available for you use ,91, take your time and learn a bit about the car, you will have plenty of time for modding, here in Toronto we have 93-94 octane, I'm sure you may get some help from fellow Calgerian,(bigheadclan).
Ehhh I'd say Canuks would be for the people out of Vancouver but Calgary also has a rugby club that uses the name..... So I guess it works.

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post #5 of 25 (permalink) Old 08-13-2019, 11:58 AM Thread Starter
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Thanks for the heads up. I will stick with she'll then as that is what I run in my 2010 Maxima and have never had any issues. I've never used the Petro Can's much but I have heard bad things about their fuel. Do you know much about Centex fuel? I believe they carry 91 and they drop their fuel prices every other day of the week it seems. It would be a nice option as I have found the car to be a bit thirsty so far, but that also might be my driving habits with the power of the car lol.
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post #6 of 25 (permalink) Old 08-13-2019, 02:07 PM
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Originally Posted by grahamd14 View Post
Thanks for the heads up. I will stick with she'll then as that is what I run in my 2010 Maxima and have never had any issues. I've never used the Petro Can's much but I have heard bad things about their fuel. Do you know much about Centex fuel? I believe they carry 91 and they drop their fuel prices every other day of the week it seems. It would be a nice option as I have found the car to be a bit thirsty so far, but that also might be my driving habits with the power of the car lol.
I'd stay away from Centex, I don't use their stations myself but I've heard nothing good about them. They had some bad fuel in one of their Alberta locations due to poor construction of a fuel tank two years ago and it ended up causing major issues for hundreds of people who filled up at that location. There is some pretty rigorous testing, validation and inspections for those Storage tanks so it's likely
they cut corners to get a new tank installed.

Not to mention they are a independent which means they buy surplus or bottom of the barrel product that just makes minimum standards. And while modern fuel is pretty good
compared to 10-15 years ago you never know what blend of fuel/additives are going into your tank.

Some locations are fine such as Costco but the wait in line can be brutal, but they at least buy from only a small handful of top-tier suppliers.
CO-OP Fuel is also decent if you are in a pinch as they own their own refinery, but they cost the same as Shell more often than not so no real benefit there.

Personally I'd stick with Shell 91 as the Infiniti manual recommends you stay away from aftermarket additives, Eth blends and octane boosters.
If you want to try a Octane booster just make sure it doesn't contain MMT (methylcyclopentadienyl manganese tricarbonyl) as Infiniti advises against
that in the manual.

@Avedis53 can get into the nitty gritty of chemical composition of additives if you really want to learn more.

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post #7 of 25 (permalink) Old 08-13-2019, 02:14 PM
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I don't think the OP wants to be bored with the chemistry of why MMT is bad for DI engines. Just stay away from octane boosters in general and use top tier fuels and you'll be ok.
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post #8 of 25 (permalink) Old 08-13-2019, 02:30 PM Thread Starter
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I actually am kind of interested in the chemistry. I read the part in the manual that says to stay away from the boosters and didn't have any plans on using anything like that. I'm not necessarily looking for top performance at this point in owning the car. Maybe down the road when the warranties are up I'll look into engine tuners and the such.
Anyway I actually working in auto insurance claims and am dealing with damaged cars all day. I know a fair amount body work and repairs but my mechanical knowledge is still lacking, that's why I am kind of interest in the chemistry. So if you felt like taking the time to share I don't mind at all.
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post #9 of 25 (permalink) Old 08-13-2019, 03:00 PM
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<Reading glasses and popcorn emoji>
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post #10 of 25 (permalink) Old 08-13-2019, 03:58 PM
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I was looking for the topic, that we talked about the different types of gas, and Avadis53, explained very nicely.

2017 Red Sport 400, Megan LDP, Custom Exhaust, JB1 at +3. Chrome Delete.
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