Fuel Consumption Figures - how to empty your 60L tank in style

Discussion in 'General Technical Discussion' started by Peter_D, Aug 1, 2007.

  1. Peter_D

    Peter_D Leaving Skid Marks

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    I'd be interested in seeing how much fuel is being used by our various VR-4's. Data such as Legnum or Galant, type of driving, cost for fuel, number of K's between fills.

    My current figures are fairly meaningless as I've only had mine on the road for 7 days and in that time it's only covered approx 170km. The fuel cost me $1.309/L and I put in $30. Most of that driving was in city traffic. So on that small sample of data my fuel consumption really sucks.

    Once I've tracked a couple of full tanks I'll have a better idea if the figures are way to high. They should come in around 11 litres per 100 k's. At the moment it's way up at 20l/100.

    cheers

    Pete
     
  2. bradc

    bradc 1 AYC Bar

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    I get between 10l/100km and 12l/100km.

    On my ST-R I'm getting 8l/100km
     
  3. gilly

    gilly Leaving Skid Marks

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    Series 2 VR4's are supposed to be more efficient than Series 1.
    Manual VS auto would make a difference too (auto drink more usually)
     
  4. takumi

    takumi Guest

    Did u chuck the AFC on your second car ? or is that the ST-R ?
     
  5. Kristian

    Kristian Leaving Skid Marks

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    I was getting around 12l/100 around town, than then 10l/100 and less on the open road, that's manual Galant VR-4.
     
  6. Big Paul

    Big Paul Guest

    is there any notable consumption differences between the galant and legnum?

    Peter, perhaps a service or a long country run might help clean the engine out and bring the fuel consumption down?
     
  7. Sydo

    Sydo Leaving Skid Marks

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    I'd say you can totally disregard those initial figures. It's just not possible to gain enough information based on 170kms of driving a new car - for a number of reasons.
    Give the ECU some time to adjust to Australian fuel, and give yourself some time to get used to driving the car. None of us will get good figures from the first few tanks. I know I won't, because I'll probably be on and off the throttle like an idiot for the first few weeks as I get the hang of all the power. :p
     
  8. Kristian

    Kristian Leaving Skid Marks

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    Agreed - you'll need a good tank full of 98 octane before you start seeing real figures.
     
  9. bradc

    bradc 1 AYC Bar

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    Gilly, facelifts won't be much better than pre-facelifts but there will be a small difference.

    Auto's are worse around town, but out on the open road they run at 2500rpm at 110kmh compared to 3000rpm at 100kmh for a manual and they tend to use a bit more on long motorway drives.

    Paul - I still have it sitting around, it will go into the ST-R
     
  10. newman

    newman Guest

    i recently took my galant to hobart and it is 300k's to hobart and i used half a tank eack way so 600k's to a full tank of 98. and had a bit of fun i might add hitting 180
     
  11. mallen

    mallen Leaving Skid Marks

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    That's really not that bad I was expecting around 450k's to a 60ltr tank. So I guess in the city we can prob expect that. Depending on how heavy your foot is as well I spose.
     
  12. Mel-D

    Mel-D Leaving Skid Marks

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    Yeah Pete's aware of that. He's got a spreadsheet setup into which the data will be entered. And from that, after a few tanks of petrol, we should be able to get a better idea of the fuel consumption.

    Pete's other "passion" was his modified R32 Skyline so he has a pretty good idea how to drive a turbo to maximise the fuel usage.

    The only thing is I'll be driving the Leggy and I need to get used to driving a manual again after driving a Auto for the last 12 years or so.

    Mel-D
     
  13. Kristian

    Kristian Leaving Skid Marks

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    Hahahaha! Sounds like my driving style!
     
  14. Mel-D

    Mel-D Leaving Skid Marks

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    I actually meant minimise. Although sometimes the R32 came home extremely hot and Pete would come in with a huge smile :D on his face, so I think I was correct.
     
  15. VR42NV

    VR42NV Guest

    I get about 380 out of a tank around town using 98, but I do tend to have my foot on the floor a lot. I will be interested to see what I can get from a long trip.
     
  16. Esoteric

    Esoteric Leaving Skid Marks

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    I usually get 400km - 420km town driving, when I fill up I still have 10L left...

    Since I've started this new tank I've been driving around without exceeding the speed limits just to see how much fuel i can eke out of out if I'm careful.
     
  17. jmo

    jmo Guest

    I think on boost they really put the fuel away, but power comes at a price :p i got crap economy when i first got it, but it is getting better and better the ECU gets used to our shit fuel. at the moment i am getting about 200km out of half a tank of city and hill driving
     
  18. Esoteric

    Esoteric Leaving Skid Marks

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    Ja for sure, I was the same - my first tank I got 280km out of it but that was when i was in my "performance testing" stage. Like you said, performance certainly comes at a price.
     
  19. bradc

    bradc 1 AYC Bar

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    600km is a little too optimistic, most people will get 350-400km around town and around 500km out on the open road (that is filling up after having used 50 litres)
     
  20. gilly

    gilly Leaving Skid Marks

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    how much effect does using the air-con have on fuel efficiency in Galants?
     

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