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  1. Join Date
    May 2014
    Posts
    1,318
    #71
    Quote Originally Posted by kisshmet View Post
    Yes i agree that not all cars benefit from high octane like the skyactive tuned to 91 RON. 91 is the most popular fuel among the ill informed in the US. Hence, low octane is the most profitable product in the oil industry

    There are 2 industries that embraced high octane fuel because its more economical for them to operate on. namely, the airline industry (propeller aircrafts) and the racing industry

    Those industries will not be profitable if they operate on a low octane fuel thats why the use of high octane fuel are widely adopted. Those industries use their head and not waste their money on low octane fuel

    I wont question your data..ill let you be with your belief. As far as my simple knowledge is concerned with the simple reset of a trip meter every time i visit the gas station i get more kilometers than a low octane. More than enough to offset the additional cost i pay for it.

    91 octane is cheaper indeed but it gives me less kilometers so it cost more whenever i compute it in terms of peso/km. Hence, i made a conclusion a long time ago similar to the airline and racing industry that low octane fuels are a waste of money

    Long time before, high octane fuels are not available to car enthusiasts. Its only available to the airline industry. Most people working for that industry used to steal it and put it in their car and enjoy the spirited drive



    Sent from my SM-G532G using Tapatalk
    I'd just like to weigh in though. You said so yourself, not all cars benefit from high octane. And that is true. But you seem to not recognize a car engine's RECOMMENDED Rating when choosing the correct fuel for your car.

    jut posted his data. You are saying you have something else from your "experience".

    Well, where's the data? What was the car? What was the recommended RON Rating of the car? And what is the km per liter? What is the php per km as you are claiming?

    It's hard to find merit on your case when you don't place facts. A lot of information is already available from reputable reviewers who have checked and retested this "myth" of yours.

    The stance is Follow your engine's recommended fuel rating. Going above that leads to no benefit (other than a placebo and a lighter wallet). Going below that leads to some penalty (performance/efficiency or even engine knocking).

  2. Join Date
    Dec 2009
    Posts
    3,006
    #72
    Quote Originally Posted by 17Sphynx17 View Post
    I'd just like to weigh in though. You said so yourself, not all cars benefit from high octane. And that is true. But you seem to not recognize a car engine's RECOMMENDED Rating when choosing the correct fuel for your car.

    jut posted his data. You are saying you have something else from your "experience".

    Well, where's the data? What was the car? What was the recommended RON Rating of the car? And what is the km per liter? What is the php per km as you are claiming?

    It's hard to find merit on your case when you don't place facts. A lot of information is already available from reputable reviewers who have checked and retested this "myth" of yours.

    The stance is Follow your engine's recommended fuel rating. Going above that leads to no benefit (other than a placebo and a lighter wallet). Going below that leads to some penalty (performance/efficiency or even engine knocking).
    Thats because what is recommended in the manual is the MINIMUM

    going low than minimum is harmful to your engine. It will cause your engine to knock

    It doesnt preclude you to enjoy the benefit of better engine protection with higher octane. More distance for the same volume as a low octane

    I let juts data be..i need not refute it. I just have to sight industries that use high octane fuel for economical reason

    I need not refute his 1st place win. Among 91 racers on the same circuit then its his driving skills that gave him the edge

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    Last edited by kisshmet; November 27th, 2018 at 04:53 PM.

  3. Join Date
    Nov 2005
    Posts
    45,927
    #73
    speaking of "racing industry"

    purpose-built race cars use high octane fuel not for "economical reason"

    race cars have very high compression engines

    high heat and high compression causes detonation

    Racing teams use special blends like Sunoco Maximal which 116 octane or VP C16 which is 117 octane


    Last edited by uls; November 27th, 2018 at 05:14 PM.

  4. Join Date
    Nov 2005
    Posts
    45,927
    #74
    since we don't drive around in cars with gas engines that have 16:1 or 17:1 compression ratios we don't need fuel that has super high octane

    anyway...


  5. Join Date
    Jan 2006
    Posts
    12,608
    #75
    If performance is such a concern, why not just buy a quick/fast car in the first place? I will not expect performance from an econobox even if I put high-octane fuel on it.

  6. Join Date
    Jan 2008
    Posts
    4,726
    #76
    Quote Originally Posted by 17Sphynx17 View Post
    Did a rando google search of the Picanto but here is what I found.

    Fuel Requirements; How To Use This Manual - Kia Picanto Owner's Manual [Page 15]

    Per this source, the Picanto is recommended to use at least 95RON and not 91RON. It's why I was curious what was written in your manual, not what your sales agent told you.

    It also specifically states you can use 91RON but there will be a decrease of the engine's performance.

    Hope this helps.

    I'm wondering if you can try 95RON of other than big 3 like Unioil, Seaoil or Total. Just a curiosity but I know you mentioned there is the issue of topping up with your fleet card.
    Sir. I believe the 95 ron up requirement is for "Europe" but other may use 91 ron up.

    Actually i tried unioil 95 ron fuel and i get same FC figures when using Blaze 100

    poor FC when using xtra unleaded91 and XCS95.

    Since i have a petron fleet card my option is to use blaze 100.

  7. Join Date
    Dec 2006
    Posts
    17,314
    #77
    Quote Originally Posted by yapoy86 View Post
    Sir. I believe the 95 ron up requirement is for "Europe" but other may use 91 ron up.

    Actually i tried unioil 95 ron fuel and i get same FC figures when using Blaze 100

    poor FC when using xtra unleaded91 and XCS95.

    Since i have a petron fleet card my option is to use blaze 100.
    Bro do you use an app to track your FC?

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  8. Join Date
    Jun 2017
    Posts
    299
    #78
    For my money, I use only the cheapest RON diesel I can get in reputable (and clean) fuel stations. To heck with the expensive ones.
    I do my research and not easily swayed by the evangelists, though with the falling prices I might give it a try, for the giggles.

  9. Join Date
    Jan 2008
    Posts
    4,726
    #79
    I think the discussion is more on the effect of higher octane rating to fuel efficiency. If there is no significant effect when using lower octane fuel then there is no reason to spend more on a high octane fuel.

  10. Join Date
    Jul 2016
    Posts
    1,178
    #80
    dont you know that oil companys are barrowing each others fuel products, hindi ko na sabihin mga companys pero matagal na nilang ginagawa ito, ang alam ko lang pinaka consistent sa fuel supply nila ay petron, may mga ibang petroleum companys din kumukuha sa petron, and pano kayo naka sigurado na when you fill high octane you get what you pay, yung low octane pwede ilagay ng retailer gas station sa high octane to gain more profit, ako i always fill up sa pina ka mura, alam ko kalakaran dyan hehe.

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Unioil EURO 5 Gasoline/Diesel