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Engine Tech Technical discussion related to all relevant engines such as KA, SR, RB, CA, 2JZ , L24/26/28, VG, VQ, and LSx series. |
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#1 | ||||||||
Post Whore!
![]() Join Date: Dec 2004
Location: Poconos, PA
Age: 40
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An engine will run most efficient at the lowest octane possible. Lower Octane = quicker burn. This is why guys will loose power running race gas on pump tunes. Again, Iv'e dynoed PERSONALLY more cars than you'd probably even driven. I know what works/doesn't work. Keep blabbing about what you think. I'll post what I know. Quote:
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Fuel comes to the yard. It gets disperssed to the spefiic brand tank. It then goes to the trucks, which goes to your tank. Easy as that. Sorry to break it to ya, I guess your 'source' has lied to you. it's ok though, now you know.
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#2 | |
Nissanaholic!
![]() Join Date: Mar 2006
Location: Philadelphia suburbs
Age: 40
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I personally, ONLY use shell V-power 93 octane. Now, they advertise it as having "X" additives and nitrogen-enriched etc etc. You are telling me that all other 93 octanes from any old station are the same? You say nothing is added after the distribution point where all stations get there gas from. This implies that every gas station essentially has the same fuel? If this is true, you are saying 1 of 2 things. Either 1) ALL 93-octane at ALL gas stations have the "X" additives and nitrogen-enrichment that Shell Advertises. or 2) Shell is guilty of false advertisement, and their 93 octane v-power is NOT nitrogen enriched and does NOT contain the additives they claim. Personally, I can't see how this is possible. I believe you get what you pay for and the Joe Schmo gas station's 93-octane does not contain the same additives as something like V-Power does. Not trying to fight, but this one didn't make sense to me.....
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#3 | |
Zilvia Member
![]() Join Date: Jan 2008
Location: midwest
Age: 49
Posts: 216
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#4 | ||||||
Zilvia Member
![]() Join Date: Jan 2008
Location: midwest
Age: 49
Posts: 216
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this is from a person who works in the gasoline business The way that it was explained to me is as follows: Long chain hydrocarbon molecules are more more difficult to break apart. This improves their ability to resist detonation, which improves octane ratings. Short chain hydrocarbons break apart easily, yielding less stability and lower octane ratings. Anyway, I am quite possibly remembering this wrong, but I believe the above to be true. As for the gasoline that we manufacture at the refinery where I work, octane is controlled at the plant and not the tanker loading rack. There is no magic "foo-foo" juice that is added to gasoline to improve the octane rating of gasoline as it is being loaded into tanker trucks for delivery that I know of. Octane "improvers" are added at the refinery during the gasoline blending process from what I have been told. Perhaps this is where the confusion comes from? Agreed, you can adulterate a higher grade fuel down to a lower grade, but you can't additize a lower grade motor fuel into a higher grade. The additive packages added at the terminal are enhancements to whatever the base fuel grade may be, and if the additive package is not sufficiently distinctive, markers may also be added that allow the majors to be able to sample a station's tanks to prove their gas is or is not being sold under their brand. I sell generic unleaded and premium at my stations, but I won't use it in my cars - they get Shell V-Power only. that is from a freakin chemist in the business. Quote:
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this is just wrong read the information from the people who process Shell V Power and then come back to this statement. Please. |
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#5 | |
Zilvia Junkie
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what does that have to do with anything? Anyone that has a gt2871r should be in that torque range with similar mods....Did you forget that he also makes 60+ more hp than you? and you saying that running V-power in sr20s leave the rear bumper clean is a lie...all i run in this s13 is v-power and my rear bumper was covered so your point is invalid anyway....just got a carbon fiber hood and bricks with hids, swapping my brothers slicks from his mustang rims to some 4 lugs that i have and im going to the track soon...hoping for low 11s at 120-125ish |
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400 hp, enthalpy, gt2871r, gt2871r .64, jwt |
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