87 octane in tiburon gt v6
anybody here using the 87 octane gas in their tibby? I have been using
93 only, but with the prices and the manual saying 87 will work I am thinking about it. 2003 GT-V6 |
Re: 87 octane in tiburon gt v6
On Fri, 23 Jul 2004 02:59:10 GMT, Jeff Hodges staggered into the Black
Sun and said: > anybody here using the 87 octane gas in their tibby? I have been using > 93 only, but with the prices and the manual saying 87 will work I am > thinking about it. 2003 GT-V6 The Tiburon's engine is not a high-compression engine and is designed to run on 87-octane gas. There is no reason to use 93-octane gas unless you really like paying more money to fill the tank. I've been using 87-octane gas in my 2003 V6 Tiburon for 1.5 years; no knocks, pings, or other signs of premature combustion. -- Matt G|There is no Darkness in eternity/But only Light too dim for us to see "We should have a policy against using personal resources for company business." "The Company didn't pay for these pants, so I'm taking them off at the door!" --J. Moore and A. DeBoer, the Monastery Hire me! http://crow202.dyndns.org/~mhgraham/resume/ |
Re: 87 octane in tiburon gt v6
On 23 Jul 2004 11:25:07 GMT, Dances With Crows
<danSPANceswitTRAPhcrows@usa.net> wrote: >On Fri, 23 Jul 2004 02:59:10 GMT, Jeff Hodges staggered into the Black >Sun and said: >> anybody here using the 87 octane gas in their tibby? I have been using >> 93 only, but with the prices and the manual saying 87 will work I am >> thinking about it. 2003 GT-V6 > >The Tiburon's engine is not a high-compression engine and is designed to >run on 87-octane gas. There is no reason to use 93-octane gas unless >you really like paying more money to fill the tank. I've been using >87-octane gas in my 2003 V6 Tiburon for 1.5 years; no knocks, pings, or >other signs of premature combustion. The compression ratio is kinda of high and any other manufacturer would have recommended 89 instead of 87. Hyundai is getting around the problem of knocking by keeping the engine flooded with gasoline all of the time. My 2.7L Sonata runs an A:F around 10.5:1. I've been thinking about retuning the fuel maps and running 89. More power and better mileage at the cost of an extra $1.50 per fillup is fine by me. I'll agree though, 93 octane is a waste of money. |
Re: 87 octane in tiburon gt v6
If you were running 10.5:1, your check engine lamp would be on because the
oxygen sensors were reading rich all the time. The car's oxygen sensor allows the computer to adjust fuel to minimize harmful emissions. |
Re: 87 octane in tiburon gt v6
Use 87 octane. All the time. Every piece of information I have from
Hyundai is that higher octanes will actually cause the car to run WORSE. |
Re: 87 octane in tiburon gt v6
I use 93. I tried 87, no knocks, but definitely calculated less gas mileage
and less peppiness. |
Re: 87 octane in tiburon gt v6
On Fri, 23 Jul 2004 13:11:03 -0400, hyundaitech staggered into the Black
Sun and said: Please include context when you post. Context restored: > Jason wrote: >>On 23 Jul 2004 11:25:07 GMT, Dances With Crows wrote: >>>On Fri, 23 Jul 2004 02:59:10 GMT, Jeff Hodges staggered into the Black >>>Sun and said: >>>> anybody here using the 87 octane gas in their tibby? >>>The Tiburon's engine is not a high-compression engine and is designed >>>to run on 87-octane gas. I've been using 87-octane gas in my 2003 V6 >>>Tiburon for 1.5 years; no knocks, pings, or other signs of premature >>The compression ratio is kinda of high and any other manufacturer >>would have recommended 89 instead of 87. Hyundai is getting around >>the problem of knocking by keeping the engine flooded with gasoline >>all of the time. Practically everything I've heard indicates that Hyundai engines run really rich. hyundaitech, is what Jason said true, and the high fuel content is there only to reduce knocking, or are there other reasons for it? >>My 2.7L Sonata runs an A:F around 10.5:1. > If you were running 10.5:1, your check engine lamp would be on because > the oxygen sensors were reading rich all the time. Maybe there's a flaw in how Jason measured the ratio, or he made a typo, or something. Jason, how'd you get the 10.5:1 numbers? -- Matt G|There is no Darkness in eternity/But only Light too dim for us to see That which does not kill us makes us stranger. --Trevor Goodchild Hire me! http://crow202.dyndns.org/~mhgraham/resume/ |
Re: 87 octane in tiburon gt v6
On Fri, 23 Jul 2004 20:33:51 GMT, Shane M Ryan staggered into the Black
Sun and said: > I use 93. I tried 87, no knocks, but definitely calculated less gas > mileage and less peppiness. I ask you again: Got hard numbers for this claimed increase in "peppiness"? The first time you made this claim, on March 31, 2004, I asked you for hard data in Message-ID slrnc6ll94.9n1.danSPANceswitTRAPhcro...202.dyndns.org . You never responded. It's not difficult; fill the tank with 87-octane, measure 5 or 6 0-60 or 1/4-mile times, record. Repeat with 93-octane. If there's a stastically significant difference in the times, one grade of gas is better than the other for acceleration. If there's *not* a statistically significant difference, you're talking rubbish and/or experiencing the placebo effect. Measurement accuracy and precision are vital here, since the differences are going to be miniscule. I have plenty of time slips from the times I've been to the dragstrip. Next time I go, I'll put 93-octane gas in the tank, see what the time slips say, and post the results to this newsgroup. I don't think there'll be a statistically significant difference, but I'm willing to conduct the experiment and have my data publically reviewed. Are you willing to do the same? The more data points, the better, after all.... -- Matt G|There is no Darkness in eternity/But only Light too dim for us to see He is a rhythmic movement of the penguins, is Tux. --MegaHAL Hire me! http://crow202.dyndns.org/~mhgraham/resume/ |
Re: 87 octane in tiburon gt v6
It's fine if you don't believe me. If you don't know what a spongy gas
petal feels like, you won't know the difference. I lost 2 miles per gallon with 87 octane. "Dances With Crows" <danSPANceswitTRAPhcrows@usa.net> wrote in message news:slrncg2vsq.cju.danSPANceswitTRAPhcrows@samant ha.crow202.dyndns.org... > On Fri, 23 Jul 2004 20:33:51 GMT, Shane M Ryan staggered into the Black > Sun and said: > > I use 93. I tried 87, no knocks, but definitely calculated less gas > > mileage and less peppiness. > > I ask you again: Got hard numbers for this claimed increase in > "peppiness"? The first time you made this claim, on March 31, 2004, I > asked you for hard data in Message-ID > slrnc6ll94.9n1.danSPANceswitTRAPhcro...202.dyndns.org . > You never responded. It's not difficult; fill the tank with 87-octane, > measure 5 or 6 0-60 or 1/4-mile times, record. Repeat with 93-octane. > If there's a stastically significant difference in the times, one grade > of gas is better than the other for acceleration. If there's *not* a > statistically significant difference, you're talking rubbish and/or > experiencing the placebo effect. > > Measurement accuracy and precision are vital here, since the differences > are going to be miniscule. I have plenty of time slips from the times > I've been to the dragstrip. Next time I go, I'll put 93-octane gas in > the tank, see what the time slips say, and post the results to this > newsgroup. I don't think there'll be a statistically significant > difference, but I'm willing to conduct the experiment and have my data > publically reviewed. Are you willing to do the same? The more data > points, the better, after all.... > > -- > Matt G|There is no Darkness in eternity/But only Light too dim for us to see > He is a rhythmic movement of the penguins, is Tux. --MegaHAL > Hire me! http://crow202.dyndns.org/~mhgraham/resume/ |
Re: 87 octane in tiburon gt v6
hyundaitech wrote:
> Use 87 octane. All the time. Every piece of information I have from > Hyundai is that higher octanes will actually cause the car to run WORSE. How could that be? I can understand that using fuel with higher than necessary octane provides no benefit and is a waste of money, but how could it make an engine run worse? |
Re: 87 octane in tiburon gt v6
Sorry about the lack of context in some of my posts. I don't have the
ability (that I know of) to cut and paste previous posts into mine. |
Re: 87 octane in tiburon gt v6
It doesn't burn as fast. If the engine's compression is low enough it can
have issues with properly igniting the fuel. If you have a little bit of carbon on the valves (an older car), it gets held as a liquid in the carbon, and plays having with the cold operation logic worse than 87. About 10 years ago, Hyundai had a cold start problems with Elantras, carboned valves, bad hesitation for a minute or so. If the customer was running premium, it REALLY got bad. |
Re: 87 octane in tiburon gt v6
I'd be interested in seeing your comparison. Despite oil company claims,
everything of repute I've heard indicates there's no performance difference with 93 vs. 87 if the engine was designed to run on 87. |
Re: 87 octane in tiburon gt v6
On Sat, 24 Jul 2004 15:33:06 -0400, hyundaitech staggered into the Black
Sun and said: > Sorry about the lack of context in some of my posts. I don't have the > ability (that I know of) to cut and paste previous posts into mine. It's your Usenet client's fault. Nobody (not even Google) has managed to make a web-based Usenet frontend that doesn't suck. So, for a better Usenet-reading and posting experience, get a good client. There are many good clients on Unix-like systems; slrn, pine, tin, and emacs run on the command-line while Pan, KNode, and Mozilla work in a GUI. If you're stuck on Windoze, Forte Free Agent is probably the best free-as-in-beer client though you can use Mozilla as well. Good clients include "killfile" functions that allow you to filter out any messages posted by trolls/idiots. These functions are a must for reading many groups--not necessarily this one, since it's pretty low-traffic and there are fewer idiots here than on Usenet in general. Most ISPs have their own newsswervers, and the name of the server is usually "news.$ISP", so you'd use "news.comcast.net" if your ISP is Comcast. ISP newsswervers are usually not well-maintained and propagation can be iffy. news.individual.net is a free newsswerver that allows posting and is fairly well-maintained. It only carries text newsgroups like this one, so you'll have to get your alt.binaries.pictures.erotica.redheads fix elsewhere :-) . Get an account by going to http://news.individual.net/ and signing up. HTH, -- Matt G|There is no Darkness in eternity/But only Light too dim for us to see When we get to that bridge, we'll burn it behind us, then jump. Hire me! http://crow202.dyndns.org/~mhgraham/resume/ |
Re: 87 octane in tiburon gt v6
Not very likely in a stock engine. Unless you have a LOT of problems in
that engine. -- Steve Williams "Shane M Ryan" <shanemryanNOSPAM@hotmail.com> wrote in message news:PCeMc.462$3x2.121@newssvr27.news.prodigy.com. .. > I use 93. I tried 87, no knocks, but definitely calculated less gas mileage > and less peppiness. > > > -----= Posted via Newsfeeds.Com, Uncensored Usenet News =----- http://www.newsfeeds.com - The #1 Newsgroup Service in the World! -----== Over 100,000 Newsgroups - 19 Different Servers! =----- |
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