Wanna read what Sithlord said about right Gasoline for GL?.. here is for your reading ...
Just remember .. i didn't said i agree or disagree with him .. just for reading only.. OK!?
Re: Premium atau Pertamax untuk GL ?
--- In
[email protected], "kandangk" <kandangk@...> wrote:
>
>
> Saya dengar ada lumayan banyak orang yang lagi agak pusing tentukan
> pakai BBM apa untuk GL. Premium atau Pertamax. Premium jelas jauh
> lebih murah, tapi ada yang takut mesin rusak, CC mampet etc. Kompresi
> mesin tinggi jadi seharusnya.... Memang cukup fair. Saya ingin bagi
> pendapat saya.
>
>
> Pertama, sekali lagi, saya kasihan ama NMI, ada yang curigai NMI "
> memaksa " boleh minum Premium, padahal " seharusnya " Pertamax. Demi
> GL laku ada orang yang bilang. Nah, sekarang saya ingin ingatkan
> teman2, gimana sikap ATPM lain, terutama yang nama " besar " seperti
> Toyota, Honda ?
>
>
> Toyota Innova, Avanza etc yang sudah bermesin " canggih " juga
> berlabel VVT-i, coba tanya TAM, bolehkah mesin VVT-i mereka minum
> Premium ? Dan berapa pemilik Avanza / Innova minum Premium sudah
> berapa tahun dan apakah sering dengar mesinnya banyak yang rusak ?
>
>
> Sama dengan Honda. Malah sudah lama saya dengar justru Honda sangat
> anjurkan premium. Coba tanya pemilik Jazz, Stream, City, etc,
> kebanyakan pakai BBM apa ? Sering rusak ngak ? Malah saya ingat di
> brochure Jazz di tempel lambang RON 88 !
>
>
> Saya sendiri sudah pakai Honda Stream 5 tahun lebih, selalu minum
> premium, dan ngak papa tu mesin. Padahal mesin Stream kan VTEC lo.
> Apakah mesin VTEC kurang canggih ? Serena juga saya sudah pakai
> premium agak lama. Juga ngak masalah.
>
>
> Nah, saya bukan pakar, jadi bisa saja masih ada orang yang bilang, oh
> sebentar ngak apa, nanti habis 5 tahun ? Who knows ? OK. Sini saya
> cantumkan sebuah artikel dari USA. Sama di situ konsumen pada pindah
> ke BBM octane lebih rendah sebab harga BBM octane tinggi juga naik
> tajam. Padahal selisih premium / Pertamax di USA lebih dikit banding
> di Indo. Itu pun banyak konsumen US yang pindah. Juga ada pendapat
> berapa expert. Mari kita baca bersama :
>
>
>
http://www.usatoday.com/money/autos/200 ... mgas_x.htm
>
>
> Di US, BBM class premium Indo octane lebih rendah itu di sebutkan
> sebagai REGULAR. BBM class Pertamax dan + di US disebut sebagai
> PREMIUM. Jadi mohon di perhatikan, jangan keliru :
>
>
> " Why use premium gas when regular will do? "
>
> By James R. Healey, USA TODAY
>
>
> Marti Mayne once fueled her low-octane Subaru with high-octane gas.
> Not now. Premium-gas prices "went sky high, and now I just use low
> grade" to motor around Yarmouth, Maine, where she runs a marketing
> business.
>
>
> When prices dropped earlier this year, she stuck with cheaper fuel
> because "I don't think that my car runs any differently on high,
> medium or lower grade."
>
>
> She's right. Engines designed for regular fuel don't improve on
> premium and sometimes run worse. And today's engines "designed for
> premium run fine on regular", too, their makers say, though power
> declines slightly.
>
>
> But premium lovers are passionate. "I would simply curtail driving
> rather than switch grades," says Bill Teater of Mount Vernon, Ohio,
> who puts high-test in both his Cadillacs, though only one recommends
> it. He's sure both the DeVille and the Escalade run rough and lack
> pep on regular.
>
>
> Prejudice and preference aside, engineers, scientists and the federal
> government say there's little need for premium.
>
>
> When fuel's cheap, motorists are willing to pay 20 cents or so more
> for premium. But as gas prices sneak back up, the mental wrangle
> begins anew over whether it's OK to burn cheaper, regular-grade gas.
>
>
> The answer almost always is yes.
>
>
> "I personally use regular even though my owner's manual says you'll
> get better performance with premium," says Lewis Gibbs, (consulting
> engineer and 45-year veteran at Chevron oil company. He's chairman of
> Technical Committee 7 on Fuels, part of the Society of Automotive
> Engineers (SAE) Fuels & Lubricants Council). Gibbs knows gas.
>
>
> "My wife runs midgrade (89 octane) in her car, and it's a
> turbocharged engine" meant for 91-octane premium, he says.
>
>
> Premium — gasoline having an octane rating 91 or higher — is just
> 12.1% of sales this year, down from 13.5% in 2002, when it was 22
> cents a gallon cheaper, and well below the modern high of 20.3% in
> 1994, when it was 49 cents cheaper, according to industry and
> government data. Despite the allure of premium, once they abandon it,
> most motorists don't come back, the data suggest.
>
>
> For every dime increase in the price, sales of premium gas drop 1%,
> Bob Johnson, general manager of gasoline and environmental services
> for the 7-Eleven chain, figures, based on data back to 1998.
>
>
> The main advantage of premium-grade gas is that it allows automakers
> to advertise a few more horsepower by designing and tuning engines to
> take advantage of premium's anti-knock properties. But auto engineers
> generally agree that if you use regular in a premium engine, the
> power loss is so slight, most drivers can't tell.
>
>
> "I go back and forth, and I'm hard-pressed to notice" whether there's
> regular or premium in the tank, says Jeff Jetter, (principal chemist
> at Honda Research and Development Americas). He drives an Acura
> designed for premium.
>
>
> Import brands, especially, use premium fuel to distinguish their
> upmarket models. Most Toyotas, for instance, are designed to run on
> regular or midgrade, while the automaker's Lexus luxury brand prefers
> premium. Same with Honda and its Acura luxury line.
>
>
> "Generally, the more expensive the vehicle, the higher the
> expectation for performance and the more the customer is willing to
> pay for fuel," says Pete Haidos, head of product planning for Nissan
> in the USA.
>
>
> Actually, the price debate is nearly worthless. At 20 cents more for
> premium, pumping 20 gallons of it instead of regular would cost $4
> more. Annually, that's a difference of $171 for a vehicle that
> averages 14 miles per gallon — as some big sport-utility vehicles do —
> and is driven 12,000 miles a year.
>
>
> Gasoline retailers and refiners like high-test because it's more
> profitable than regular-grade gas is. The retailer paid about 8 cents
> more for the premium you pay 20 cents more for — though that margin
> can swing wildly. Refiners make a few cents a gallon more on premium
> than on regular when they sell to wholesale distributors.
>
>
> As long as it's clean
>
>
> Profit is meaningless to the modern engine, which, regardless of
> what's specified in the owner's manual, hardly cares what you use —
> as long as it's clean.
>
>
> Today's engines use highly evolved versions of a device called a
> knock sensor to adjust settings automatically for low-octane gas. And
> more engine control computers have adequate memory to allow separate
> sets of instructions for various octanes. The engine control
> computers keep pushing to maximize performance on whatever grade of
> fuel is used.
>
>
> Extreme pressure inside the cylinders causes knock, which is the
> sound of the pistons literally rattling inside the cylinders. Too
> much too long can damage the engine. A little now and then won't.
>
>
> "The only modern engines that should really need premium are those
> with superchargers, which force-feed fuel into the
> cylinders". "You're driving along and just tramp the gas and the
> knock sensor cannot sense the knock fast enough in some cases,"
> because the supercharger boosts pressure so fast, says Bob Furey,
> chemist and fuels specialist at General Motors.
>
>
> Burning regular when the owner's manual specifies premium won't void
> the warranty, nor damage the engine, even the most finicky automakers
> say. "You're giving up perhaps just a little bit of performance that
> a customer wouldn't really even notice, it's so slight," says Furey.
>
>
> Automakers say they don't test premium engines on regular to check
> the difference, but some auto engineers estimate that power declines
> roughly 5%.
>
>
> "We can't guarantee the vehicle will perform as specified if other
> than premium fuel is used," says Mercedes-Benz spokeswoman Michelle
> Murad. All U.S. Mercedes engines specify premium.
>
>
> All Porsche engines are designed for premium, too, but it's not
> available everywhere. "Our cars must be able to drive all over the
> world, and so we are able to run on regular," says Jakob Neusser,
> director of powertrain development at Porsche's research and
> development center in Weissach, Germany. "You don't have to feel that
> a mechanical problem or anything else will happen" using regular gas,
> even in the highest-performance, regular-production Porsches.
>
>
> "Premium, in fact, sometimes is worse fuel than regular. It resists
> knock because it's harder to ignite than lower-octane fuels. As a
> result, some engines won't start as quickly or run as smoothly on
> premium, notes Gibbs, the SAE fuel expert". (Seperti Serena saya jika
> pakai Pertamax, pagi hari lebih kasar saat start up)
>
>
> High-test does have a potential fuel economy benefit. It is slightly
> denser than lower-octane gas, meaning there's a little more energy in
> a gallon. But the small difference is hard to measure in real-world
> use, and that "same density can contribute to undesirable buildup of
> waste products inside the engine".
>
>
> No data show that engines designed strictly for regular run better or
> longer on premium.
>
>
> The Federal Trade Commission, in a consumer notice, emphasizes: "(I)n
> most cases, using a higher-octane gasoline than your owner's manual
> recommends offers absolutely no benefit. It won't make your car
> perform better, go faster, get better mileage or run cleaner."
>
>
> There is "no way of taking advantage of premium in a regular-grade
> car," says Furey.
>
>
> "There is no gain. You're wasting money," insists Jim Blenkarn, in
> charge of powertrains at Nissan in the USA.
>
>
> "No customer should ever be deluded into thinking there's any value
> in buying a higher grade of octane than we specify," says Toyota's
> Paul Williamsen, technical expert and trainer...
>
>
> Dan NMI sudah jelas, GL boleh minum premium, ASAL BEBAS TIMBAL. Nah,
> masalahnya di Indo SPBU begitu banyak, dan ada yang OK, ada yang
> nakal. Jadi NMI gimana bisa check SPBU mana yang OK dan bebas
> timbal / oplosan ? Jadi jangan bilang NMI berani JAMIN TERTULIS bahwa
> GL pakai premium warranty tidak hanggus, ATPM MANA yang berani
> JAMIN ? Wong Pertamina saja ngak bisa awasin semua SPBU mereka,
> apalagi NMI atau ATPM lain ?
>
>
> Jadi jangan salahkan NMI jika mereka meskipun bilang premium TT OK
> tapi tidak berani jamin 100% pemakai premium tidak masalah. NMI
> gimana tau pemakai GL isi BBMnya di SPBU mana ? Kalau SPBUnya nakal,
> jangan bilang premium. Pertamax atau + mau di oplos bisa kan ?
>
>
> Kalau ada timbal, yang salah siapa ? Ya PERTAMINA dong ! Atau si SPBU
> yang oplos itu.
>
>
> Who knows ? Dan jika NOBODY knows, siapa yang berani JAMIN TERTULIS ?
> Toyota berani ngak ? Honda berani ngak ?
>
>
> Jadi saran saya pribadi, yang tiap bulan jalan banyak dan rasa
> Pertamax berat, SILAHKAN isi Premium, dan usahakan isi di SPBU PASTI
> PAS. Tapi yang merasa duitnya cukup dan beli Pertamax tidak
> keberatan, LUCKY YOU ! TAPI Pertamax PLUS kalau saya bilang dari pada
> duitnya di buang sia sia, sumbang saja ke saya untuk bayar internet
> tiap bulan...
>
>
> Jadi kita mau kritik NMI boleh, tapi harus FAIR DONG ? Toyota dan
> Honda sejak kapan anjurkan Pertamax dan larang premium di model
> mereka yang volume penjualanya besar tiap bulan seperti Jazz, City,
> Innova, Avanza ? Kecuali mereka yakin technology mesin mereka VVT-i /
> VTEC / i-DSI kalah dan lebih kuno banding mesin Nissan HR dan MR
> series....
>
>
> Wong saya pernah dengar katanya anak boss Imora Motor, master
> distributor Honda di Indonesia, pakai Accord, dan selalu isi premium
> kok....
>
