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Old Nov 6, 2011 | 05:47 PM
  #16  
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Are you serious about being able to tell the difference?

And about not filling full tank - assuming you're filling half tank, that's about 8.5 gallons; at about six pounds a gallon you're saving 51 pounds. If your car is an AWD it's about 3700 pounds so that's less than two percent of the total weight. Can you really feel the difference?

While we're at the the topic of "feeling the difference" don't you feel the Free Surface Effect when accelerating on a less than full tank?
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Old Nov 6, 2011 | 06:19 PM
  #17  
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Originally Posted by Gville350
Its all in your head bro...there's gonna be no measureable difference between the two styles of pumps. Diesel and E85 have their own over here...but I don't care where I fill up. And actually I prefer to "mix it up" with the stations I refuel at. I like the fact of giving the fuel system a variety in its diet I guess. Lol!
prob your right that it's on my mind but can really tell the difference,so that's why i open this thread for some genius input,and as it goes so far most of the respondent don't feel any and don't care,maybe i'll just keep myself away from those single nozzle pump just to prevent confusion- been driving my IS350 RWD on daily basis with almost 100 miles per day to and from work (not on a winter season) and im kind of meticulous in terms of every single detail what's going on with my investment and treat it like as myself,anyways thank for all the input
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Old Nov 6, 2011 | 06:36 PM
  #18  
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Originally Posted by LDNN
Are you serious about being able to tell the difference?

And about not filling full tank - assuming you're filling half tank, that's about 8.5 gallons; at about six pounds a gallon you're saving 51 pounds. If your car is an AWD it's about 3700 pounds so that's less than two percent of the total weight. Can you really feel the difference?

While we're at the the topic of "feeling the difference" don't you feel the Free Surface Effect when accelerating on a less than full tank?
maybe in some sense your right about the weight of the car but were talking about the kind of fuel that you are burning to give you the max performance,i know that's a small difference when you fill your tank full vs half but the question is goes with same quantity of fuel that you fill on your tank regardless of full and half-Ok let say i fill my tank full today using those single nozzle pump and about empty i full my tank again on single nozzle per grade pump(both using 93 which is recommended for my IS)sometimes i feel the difference between those two fillings which most of the times after filling my tank on single nozzle pump i feel more power to accelerate so that's why i came up with this thread if any member experienced it also and most are already spoken and i'm pleased with the result negative or positive and the factor that i don't want to fill my tank full is the reason that my car is lowered and i noticed that my rear wheel rub often that half full-thanks for the inputs
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Old Nov 6, 2011 | 06:36 PM
  #19  
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Is there really a difference?
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Old Nov 6, 2011 | 07:33 PM
  #20  
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Originally Posted by birador
the reason why i open this thread is every time i fill gas on my 350 (premium grade is recommended) on a single nozzle,i noticed a difference in acceleration compare when i used the separate nozzle filling with the premium grade,i usually don't fill my tank full so i can have a lesser weight and better acceleration,so is there any other member here noticed this kind of situation?
I would bet money... a fairly large amount of it... you couldn't actually tell the difference if you didn't see the pump in question.

You get, at most, about 10 ounces of the "previous" gas pumped.

Let's say you're putting 15 gallons of 93 octane gas in the car. And the previous guy pumped 87.

That's 1920 ounces.

1910 of which are 93, 10 of which are 87.

Giving you a final octane of 92.96875 instead of 93.00

In a car, by the way, whose ECU is programmed for 91 or better (and can make no use of the "better")


You're imagining any difference.
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Old Dec 19, 2011 | 06:10 PM
  #21  
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No preferences. I normally go to COSTCO 2 grade 1 nozzle.
where do you get fuel?
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Old Dec 19, 2011 | 07:34 PM
  #22  
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Lmao Kurt. Good one. I've only use Shell Vpower since day one. Its my personal opinion. Doesn't matter if it has one nozzle or three. My tech even commented on how clean my valves were when it did the valve spring recall. Vpower all day.
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Old Dec 19, 2011 | 09:18 PM
  #23  
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Interesting thought, never really thought about this much. As far as I can tell, there has never been a difference between pumping gas from a single nozzle compared to three separate nozzles.
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Old Dec 20, 2011 | 07:09 PM
  #24  
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Originally Posted by birador
the reason why i open this thread is every time i fill gas on my 350 (premium grade is recommended) on a single nozzle,i noticed a difference in acceleration compare when i used the separate nozzle filling with the premium grade,i usually don't fill my tank full so i can have a lesser weight and better acceleration,so is there any other member here noticed this kind of situation?
You drive 100 miles/day and you don't fill your tank up? So you're putting in gas every other day? And then you're concerned about whether or not the gas station has one pump handle or three?! Man, that's some serious OCD (obsessive compulsive disorder...). It's no wonder you imagine you can "notice the difference". Not trying to be rude but you're seriously over thinking this whole situation.
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Old Dec 20, 2011 | 07:27 PM
  #25  
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Don't care - although I think the Quick Trip has 3 nozzles.
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