Petrol tank capacity



  • **You don't need the tank capacity for mpg calculations. Just brim it, run it as empty as you dare and brim it again. Use that number as your divisor.

    Fuel tanks lose capacity with age - and I have no earthly idea why - and "empty as I dare" on Red is 46 litres.

    Extraordinarily good economy with a spot of Christian motoring sees 38mpg. Normal combined on decent fuel is 35mpg. Supermarket crap kills it.**



  • I've had max 35L in my tank…



  • ""Supermarket crap kills it.""

    Re the above.

    having worked for a while at the Shell plant in Ellesmere Port, I can inform you that all the leading supermarkets, ie, ASDA, TESCO, MORRISONS etc all use the same fuel from the same source. (SHELL)
    It always makes me smile when someone says that a supermarket etc is better than another or vice versa, as it all comes from the same source!

    just a bit of info for you all next time you fill up, if you fill up at a local (non-national) petrol station, just ask them where the fuel comes from and when they say they dont know, you can tell them, it more than likely comes from Shell!



  • @b137fb3966=johnny:

    ""Supermarket crap kills it.""

    Re the above.

    having worked for a while at the Shell plant in Ellesmere Port, I can inform you that all the leading supermarkets, ie, ASDA, TESCO, MORRISONS etc all use the same fuel from the same source. (SHELL)
    It always makes me smile when someone says that a supermarket etc is better than another or vice versa, as it all comes from the same source!

    just a bit of info for you all next time you fill up, if you fill up at a local (non-national) petrol station, just ask them where the fuel comes from and when they say they dont know, you can tell them, it more than likely comes from Shell!

    so tesco 99 is the same as shell v power 99



  • @f5747ee3c6=johnny:

    ""Supermarket crap kills it.""

    Re the above.

    having worked for a while at the Shell plant in Ellesmere Port, I can inform you that all the leading supermarkets, ie, ASDA, TESCO, MORRISONS etc all use the same fuel from the same source. (SHELL)
    It always makes me smile when someone says that a supermarket etc is better than another or vice versa, as it all comes from the same source!

    just a bit of info for you all next time you fill up, if you fill up at a local (non-national) petrol station, just ask them where the fuel comes from and when they say they dont know, you can tell them, it more than likely comes from Shell!

    **This I know. However I also know that over a test period 5 years and several hundred tanks of fuel I can tell you that, on average, I get 22% worse fuel economy with Tesco 95 than with Shell 95. Though for proper, accurate numbers I should really change the fuel filter between each type of fuel I was testing, 20% is a big enough difference to be noticeable and significant. This was after a run through of five full tanks before taking 3 measurement tanks, and the measurement tanks were all on the same route:

    Shell - 34.5mpg
    BP - 33.5mpg
    Esso - 32.6mpg
    Total - 32.5mpg
    Jet - 32.5mpg
    Asda - 31.0mpg
    Morrisons - 30.8mpg
    Sainsburys - 30.4mpg
    Tesco 95 - 28.2mpg

    (I never test the supers - no point in a V6 MX-3. The Accord uses Super, but we only ever get it from one garage :lol: )

    And that's to say nothing of the silicate problem that only affected Tesco garages. This was eventually traced to a distribution centre in the south-east which only supplies…. supermarket crap (site used by Asda, Tesco and Morrisons).

    The refineries may all supply the same stuff, but it passes through a few intermediate processes before it ends up in the tank.**



  • 99 is the higgest legal octane in UK?

    Can't get my car running without 110.



  • **110?!

    I know some guys with a 1,000hp, 9 litre drag car (road legal) running 9.5s quarters at 145mph who use a 50:50 mix of pump 95RON and AvGas (100RON).

    What on Earth have you done to your engine to require 110RON to start it?**



  • :lol: Remember as our 95 is US 89 or whatever Estonias 110 is probably our 95. Distinct lack of international standards on petrol!



  • @29910c0b45=Marco:

    :lol: Remember as our 95 is US 89 or whatever Estonias 110 is probably our 95. Distinct lack of international standards on petrol!

    **As far as I'm aware, there's only three methods. MON (lowest), PON (average) and RON (highest).

    Research Octane Number is a laboratory measure of fuel detonation resistance (in equivalence to pure isoctane - 95RON is equivalent to a 95% isooctane/5% heptane mixture). Australia and all of Europe have this on their pumps.

    Motor Octane Number is a measure of fuel detonation resistance under load. Slightly more useful than RON, but not put on fuel pumps anywhere in the world that I know of. It's usually 8-10pt lower than the same fuel's RON figure - 95RON is about 85-87MON.

    Pump Octane Number is the average of those two - (RON+MON)/2 - and is what is displayed on American fuel pumps. Because MON is usually 8-10pt lower than RON, PON is usually 4-5pt lower - so 95RON would be 85-87MON and 90-91PON. PON can also be called AKI - Anti-Knock Index.

    So Estonia should be using the same standards that the rest of Europe, including Russia and former states of the USSR, use. 110RON is… well... propane, frankly.**



  • But his amp goes up to 11 8)



  • It's more like 110 PON or MON.

    Check out this link.
    http://www.racefuels.com.au/fuelsDetail.asp?ID=3

    If u can, u should try it out.



  • @fd1d496950=Marco:

    But his amp goes up to 11 8)

    **Well… it's one louder.

    architect - you can get 102RON stuff at the pumps in the UK, but only at certain BP filling stations. Can't imagine my car needing it just to start...

    Besides, high-RON just means a more stable fuel, less prone to preignition. You should always run the lowest octane fuel you can get that doesn't result in preignition (knock or ping), because otherwise you just end up running rich the whole time, pissing money out the exhaust.**



  • @9fd42cd686=Marco:

    But his amp goes up to 11 8)

    Loool



  • @23b2ac1e96=Famine:

    Can't imagine my car needing it just to start…

    Sorry, wrong words. It runs with 98 too, but 95… it starts to mutter.
    My bad!



  • Just had to refuel. managed to go through a full tank with just 240miles, this averages out at a mere 21.8 MPG!

    any ideas why it may be so low? have not been driving like a loon, just the normal daily drive to and from work etc.

    recently serviced and tyre pressures all ok.

    Im at a loss!



  • I have managed from southampton to dublin on one tank and that was around 340 miles, it depends on driving style, motorways, other traffic etc, I did that journey overnight from 8pm to 9am but going to work everyday I get about 150 to a full tank, because its always running cold and its just traffic lights and junctions all the way



  • I managed 324 before I ran out of courage and filled up :lol:

    @eff225b260=johnny:

    Just had to refuel. managed to go through a full tank with just 240miles, this averages out at a mere 21.8 MPG!

    Was it actually a full tank? Did you put 50 litres into it? Because that's astonishing if you did.



  • went as low as i dare and then filled up got 49 litres in to the brim so ill post the outcome on mine when low ie half tank ill refill and work out the figures and post..



  • @4f53006532=Famine:

    I managed 324 before I ran out of courage and filled up :lol:

    @4f53006532=johnny:

    Just had to refuel. managed to go through a full tank with just 240miles, this averages out at a mere 21.8 MPG!

    Was it actually a full tank? Did you put 50 litres into it? Because that's astonishing if you did.

    managed to get 45 ltr in the tank when i filled and after I had the guts to run it until spluttering on the orange light.
    gutted that i got such a low MPG, will work on a few minor mods and bring it up a bit.

    cheers for all the advice and help



  • 45 litres is pretty much 10 gallons (a little less), so 240mi on that is 24mpg. Cack if it's motorway miles, fine if it's around town.


 

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