Geekzone: technology news, blogs, forums
Guest
Welcome Guest.
You haven't logged in yet. If you don't have an account you can register now.

Filter this topic showing only the reply marked as answer View this topic in a long page with up to 500 replies per page Create new topic
1 | 2 | 3 


251 posts

Ultimate Geek
+1 received by user: 2


  Reply # 1024971 14-Apr-2014 16:05 Send private message

farcus:

Learn something every day :)
Wonder if the "regular" is just not as common as 95+, hence the advice I got (and read)...... regardless, our car ran like a dream afterwards :)

Anyone miss the days of having to give your car a "shot" when filling up ? ;)


Japanese petrol stations are just like NZ
Every bank of pumps has Premium / Regular / Diesel
Filled my car up with Regular over the weekend (here in Jpn) @ 156 yen per/L
Anecdotally I have observed here, that just like NZ, more people fill up with regular than Premium


Wikipedia link I mentioned in previous link shows that Japan regualr is 90 RON, anyway to confirm that?

Because same Wikipedia page shows Japan regular is <89 RON and Premium is =<96 RON, so in theory, regular
in Japan could be anything from 90 to 95?



831 posts

Ultimate Geek
+1 received by user: 39


  Reply # 1025014 14-Apr-2014 17:06 One person supports this post Send private message

pstar008:

Wikipedia link I mentioned in previous link shows that Japan regualr is 90 RON, anyway to confirm that?

Because same Wikipedia page shows Japan regular is <89 RON and Premium is =<96 RON, so in theory, regular
in Japan could be anything from 90 to 95?



found this on the website of a fuel refinery company.
Basically it says that according to Japanese standard JIS K2202 that Premium (Hi Oc) must meet a standard of 96 octane or higher and that regular gasoline must meet a standard of 89 octane or higher.




edit: looking at the website for ENEOS (largest gasoline retailer in Jpn) it says reg is 89 octane and Hi Oc is 96 octane.

228 posts

Master Geek
+1 received by user: 39


  Reply # 1026883 17-Apr-2014 14:03 Send private message

I'm not an expert, but did a bit of research when I purchased my last car and was told it should only run on 98. I had always assumed that higher octane meant more "powerful", but it is really just more stable.

Low octane fuels will prematurely ignite in a high compression engine. While in theory this can cause engine damage, most modern vehicles have pre-knock sensors which compensate for the lower octane fuel by lowering engine performance.

The car will always run best on the octane it was designed and tuned to run on (or higher), but there is no benefit in runner it on a higher octane fuel than it was design and tuned for.

i.e:
Engine designed and tuned for 91 will run optimally 91, 95, or 98
Engine designed and tuned for 95 will run poorly on 91, and optimally on 95 or 98
Engine designed and tuned for 98 will run horribly on 91, poorly on 95, and optimally on 98.

If I'm wrong on any of this please correct me.

109 posts

Master Geek
+1 received by user: 1


  Reply # 1032873 28-Apr-2014 22:07 Send private message

Poss a bit out of date, far as I know, Japan domestic engines were/are optimised for 95 unleaded, same for many EU cars - the Lancer (EFI 4G15 engine) was made for 95, even the NZ new models. If in doubt, I'd put 95 in it.

611 posts

Ultimate Geek
+1 received by user: 158


  Reply # 1032960 29-Apr-2014 05:53 Send private message

Radiotron: Poss a bit out of date, far as I know, Japan domestic engines were/are optimised for 95 unleaded, same for many EU cars - the Lancer (EFI 4G15 engine) was made for 95, even the NZ new models. If in doubt, I'd put 95 in it.


im not sure thats correct

Ive seen many that say use 91 in the owners manual or inside the fuel cap

1 | 2 | 3 
Filter this topic showing only the reply marked as answer View this topic in a long page with up to 500 replies per page Create new topic




Twitter »
Follow us to receive Twitter updates when new discussions are posted in our forums:



Follow us to receive Twitter updates when news items and blogs are posted in our frontpage:



Follow us to receive Twitter updates when tech item prices are listed in our price comparison site:





Trending now »

Hot discussions in our forums right now:

Speed limit when overtaking? Teach me please.
Created by nakedmolerat, last reply by Hobchild on 26-Oct-2014 00:11 (92 replies)
Pages... 5 6 7


House Auctions
Created by t0ny, last reply by mentalinc on 26-Oct-2014 08:58 (48 replies)
Pages... 2 3 4


VDSL, which router/modem sub $200?
Created by TeaLeaf, last reply by NonprayingMantis on 25-Oct-2014 19:48 (28 replies)
Pages... 2


Neon - Sky's new streaming service
Created by JarrodM, last reply by JimmyH on 25-Oct-2014 17:37 (29 replies)
Pages... 2


iPad Air 2 and iPad Mini 3. Gonna get one?
Created by Dingbatt, last reply by tungsten on 25-Oct-2014 20:22 (115 replies)
Pages... 6 7 8


5Ghz AP recommendations?
Created by ubergeeknz, last reply by sbiddle on 24-Oct-2014 12:42 (12 replies)

Snap have failed our company!
Created by dafman, last reply by kornflake on 23-Oct-2014 17:41 (37 replies)
Pages... 2 3


Thief taunts 12 year old via stolen laptop
Created by macuser, last reply by charsleysa on 22-Oct-2014 23:49 (12 replies)


Geekzone Live »

Try automatic live updates from Geekzone directly in your browser, without refreshing the page, with Geekzone Live now.

Are you subscribed to our RSS feed? You can download the latest headlines and summaries from our stories directly to your computer or smartphone by using a feed reader.

Alternatively, you can receive a daily email with Geekzone updates.