Much higher fuel consumption - Page 3





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  1. #41
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    Default Re: Much higher fuel consumption

    Quote Originally Posted by Lofty View Post
    I changed my Pirelli AT plus 265/65R17 for Cooper Discoverer S/T MAXX 265/65R17 and my fuel consumption climbed from 11-12 km/l to +- 9.5-10 km/l if I watch my speed [DC Hilux 2.4]. When I changed the tyres I could feel there's a hell of a difference in weight when I picked them up but can it cause such a big difference in consumption? I got the Coopers brand new from a friend for free.

  2. #42
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    Default

    Check your wheel allignment.

  3. #43
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    Default Re: Much higher fuel consumption

    Quote Originally Posted by cor View Post
    Can agree with that , but what about previous readings ?
    You must not compare the speed between car and gps, compare the trip meters readings.

  4. #44
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    Default Re: Much higher fuel consumption

    There's a very nice informative article in this months SA4x4, which compares a lot of tyres and (including weight).
    i also have Hankook on my GV 2,4 auto - the side walls are very soft - will get side wall punctures - but unbeatable for km's given. then again on the Ford 3.2 i have the BF Goodridge - will not pay that again

  5. #45
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    Default Re: Much higher fuel consumption

    Hi Join the club , also have coopers on my 2.4 gd6 auto dc 4x4, currently getting around 8,2km/l , but i have a slightly bigger size, 265/70/17, i must say i love cooper, but the noise and fuel consumption gets to me.

    Chris

  6. #46
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    Default Re: Much higher fuel consumption

    Changed my Hankooks for Perelli AT dropped from 9.88kml to 7.68kml

    Last edited by AJB; 2020/01/05 at 08:30 PM.

  7. #47
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    Default Re: Much higher fuel consumption

    Quote Originally Posted by chiaan_za View Post
    Hi Join the club , also have coopers on my 2.4 gd6 auto dc 4x4, currently getting around 8,2km/l , but i have a slightly bigger size, 265/70/17, i must say i love cooper, but the noise and fuel consumption gets to me.

    Chris
    Thanks now I feel a bit better haha
    2017 Hilux 2.4 SRX D/C 4x4 2012 Cross Polo [mamma s'n]

    http://travel.webshots.com/album/558867451ncpSPZ

  8. #48
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    Default Re: Much higher fuel consumption

    Test gave up to 10% higher fuel consumption with same diameter tyres.

    https://www.caranddriver.com/feature...-wheels-tires/
    Attached Images Attached Images  

  9. #49
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    Default Re: Much higher fuel consumption

    I have standard size BFG KO2s on the Paj and we drove from Joburg to Gariep now (620km).

    Average on the computer was 10.2L/100km.

    I was towing a Venter trailer without a nose cone, with a mountain bike strapped to the lid of the trailer. We had no wind until about 100km from Bloem so 300km was with a slight head/side wind which got a bit stronger as we got closer to Gariep.

    I was sitting at 118km/h GPS speed most of the way on cruise control.

    I wonder if I would have got down to 9L/100km had I still had the Hankooks on that I bought the car with?
    2014 Pajero 3.2DiD SWB

  10. #50
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    Default Re: Much higher fuel consumption

    Quote Originally Posted by AJB View Post
    Changed my Hankooks for Perelli AT dropped from 9.88kml to 7.68kml
    My syfers
    Last edited by AJB; 2020/01/05 at 08:46 PM.

  11. #51
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    Default Re: Much higher fuel consumption

    Quote Originally Posted by AJB View Post
    My syfers
    Attached Files Attached Files
    Last edited by AJB; 2020/01/05 at 08:49 PM.

  12. #52
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    Default Re: Much higher fuel consumption

    I learned the hard way, going back from Coopers to Wranglers.
    Even BF's gave a mate a big fright after 3 months when he decided to compare fuel consumption over 5 tanks of diesel.
    Danie & Marinda - die wiele is rond, dus moet hulle hardloop - afgetree nou leef ons net.
    2017 BL - Kewer B1115 RUS WA GP - bos en kamp tyd
    2016 Ford Fiesta Ecoboost - daaglikse ryding
    2013 Ford Ranger 3.2 DC XLT 4x4 - nuwe rondloop ry ding, nou sleep ons! (2017)
    2011 Echo 4, die RUSWA-ZN - (verkoop 44 000 km)
    2010 Ford Ranger 2.5 DT DC XLT 4x4 - rondloop ry ding met "bietjie ekstra" krag (Verkoop 177 000 km)
    2005 Chev Aveo - Afgeskryf (2016 130 000)
    2005 Opel Corsa 17DTi - Geruil (warm enjin 180 000)
    2003 Opel Corsa 17DTi - Geruil (warm enjin 150 00)
    2000 Nissan Hardbody - Geruil (pyne by die duisended 52 000 km)
    1998 Opel Kadett - Dogter se wiele geword in 2003 (baie warm enjin 116 000 km)
    1990 Datsun 1800 short wheelbase - Pa se ou plaas bakkie, na die Nissan die pad gevat het met sy probleme in 2003 (117 00km)
    1990 Hilux 2.4D - en hy kon loop, pomp en top gewerk aan.
    1984 Opel Commondore - het gehardloop
    1983 Safary 3 karavaan - verkoop en begin tent in 2000 (51 000 km)
    1980 Ford Granada 3.0 - warm enjin afgeskryf
    1969 VW 1600 TL - geen einde nie, warm enjin en geruil
    1968 VW 1600 L - geen einde en baie warm enjin, verkoop in 1998 (328 000 myl/525 000 km)

    .

  13. #53
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    Default Re: Much higher fuel consumption

    Once again on my way home from Gariep to JHB, with a head wind most of the way I achieved an average of 10.2L/100km with my Paj on BFG and a full Venter in tow.... average on the GPS 118km/h (when I say average, I had my cruise control set to 118km/h for 95% of the way).
    2014 Pajero 3.2DiD SWB

  14. #54
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    Default Re: Much higher fuel consumption

    That's pretty impressive Kurt!
    Quote Originally Posted by KurtG View Post
    Once again on my way home from Gariep to JHB, with a head wind most of the way I achieved an average of 10.2L/100km with my Paj on BFG and a full Venter in tow.... average on the GPS 118km/h (when I say average, I had my cruise control set to 118km/h for 95% of the way).
    Mitsubishi Pajero 3.2 D-ID GLX LWB

  15. #55
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    Default Re: Much higher fuel consumption

    Quote Originally Posted by Tom13 View Post
    That's pretty impressive Kurt!
    Must be the BFGs
    2014 Pajero 3.2DiD SWB

  16. #56
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    Default Re: Much higher fuel consumption

    Quote Originally Posted by KurtG View Post
    Must be the BFGs
    My last tank was 11km/l (9.09l/100km) in town.
    Friend of mine and his missus used my bakkie for 2 weeks on an a trip to KZN. Average over 2500km was 9l/100km. Bakkie was fully loaded with RTT, awning, camping gear, food etc. etc. Pretty much figures I see. No headwind gives me 8.7l/100km fully loaded, long trips.

    Correct tyre pressures on my KO2's seems to be the the answer.

  17. #57
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    Default Re: Much higher fuel consumption

    Thats excellent Anton.

    Mine were at the recommended 2.8 rear and 2.4 front. Trailer on 1.8 bar.
    2014 Pajero 3.2DiD SWB

  18. #58
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    Default Re: Much higher fuel consumption

    Quote Originally Posted by KurtG View Post
    Thats excellent Anton.

    Mine were at the recommended 2.8 rear and 2.4 front. Trailer on 1.8 bar.
    That is equally excellent figures considering you were towing.
    When fully loaded, not towing, I go 2.6 bar rear and 2.4 bar front. Empty I run 2.3 bar rear and 2.4 front. No issues in wet, just rotated this weekend and wear is perfect.

    Headwind nails my consumption, especially when loaded and 2.6 in the wet is just outright dangerous with the bakkie when it is empty.

  19. #59
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    Default Re: Much higher fuel consumption

    Quote Originally Posted by chiaan_za View Post
    Hi Join the club , also have coopers on my 2.4 gd6 auto dc 4x4, currently getting around 8,2km/l , but i have a slightly bigger size, 265/70/17, i must say i love cooper, but the noise and fuel consumption gets to me.

    Chris
    Remember that if you increase the size of the tire, like you have done, your ODO (note ODO, and NOT SPEEDO) will also be under-reading. So, while your speedo is suddenly more accurate, your ODO has also changed. So you are actually getting better fuel consumption than you think.

    Tire circumference for a 265/65/17 is about 2437mm, for a 265/70/17 it is 2521mm. So for every turn of the wheel, you're going 84mms further. I make that about 3.3%.

  20. #60
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    Default Re: Much higher fuel consumption

    Quote Originally Posted by KurtG View Post
    Once again on my way home from Gariep to JHB, with a head wind most of the way I achieved an average of 10.2L/100km with my Paj on BFG and a full Venter in tow.... average on the GPS 118km/h (when I say average, I had my cruise control set to 118km/h for 95% of the way).
    I calculated the actual consumption using a calculator and the average for the trip from JHB, to Gariep, and back to Bloem - 857km (I havent filled up since my return trip to Bloem) - was an actual 10.48 L/100km. That means the onboard computer is about 2.8% optimistic when it comes to the fuel consumption reading.
    2014 Pajero 3.2DiD SWB

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