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29-01-2018
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Established Member
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Join Date: Sep 2016
Location: Port Lincoln, SA
Posts: 189 What Jeep do I drive?: WH
Likes: 168
Liked 48 Times in 32 Posts
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Quote:
Originally Posted by 08crd
I had the commander for 9 years, it didn't have a tune, but the best economy I could get was around 10.5l/100klm by sitting around 90klm/hr.
Must say I only did that once on a trip to Kal, after that I thought Fluck it it uses what it uses, which worked out to around 12.5 to 14L/100 around town and on a run.
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Cheers 08CRD
Yes it uses what it uses
i just thought they (WH ) might have done a bit better thats all, its still better than my ole XJ i had, on the hwy it used what the WH uses around town LOL.
And i guess i need to remind myself the WH is a 6 after all not a 4.
__________________
Just Explore Every Possibility
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29-01-2018
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Full Flexer
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Join Date: Jul 2008
Location: Perth Western Australia
Posts: 785 What Jeep do I drive?: WK2
Likes: 234
Liked 154 Times in 110 Posts
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Quote:
Originally Posted by WH3.0
Cheers 08CRD
Yes it uses what it uses
i just thought they (WH ) might have done a bit better thats all, its still better than my ole XJ i had, on the hwy it used what the WH uses around town LOL.
And i guess i need to remind myself the WH is a 6 after all not a 4.
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It is due to the 5 speed gearbox, which is geared for a petrol engine, therefore it causes the diesel to run on higher than optimum revs.
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29-01-2018
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Senior Newbie
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Join Date: Oct 2011
Location: Perth, WA
Posts: 78 What Jeep do I drive?: WH
Likes: 5
Liked 40 Times in 16 Posts
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Quote:
Originally Posted by WH3.0
Those commanders must glide through the air better, i also have a GDE Tune on my WH Grand and im stuffed if i can anywhere near that.
im not real happy with my economy, and i dont even drive hard.
recently done a 2200 k trip not towing and averaged 11.7 and thats working it out, not using the trip computer.
Do the Commanders run slower at 110kph, mine runs bout 2400
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Yes, for what it's worth the trip computer on my WH is around 0.5-1 L/100 higher than what I calculate my economy to be. Makes comparisons online a bit tricky if some talk in terms of trip computer figures and others in calculated.
Calculated, my WH 3.0 sits between 11-12 L/100 fairly consistently. Highway sees it closer to 11 and heavy city driving with the odd trip to the boat ramp sees it closer to 12. That is without any tune and with 245/70/r17 all terrains.
__________________
2010 WH Grand Cherokee Limited 3.0 CRD. Cooper AT3 245/70/17. GDE Eco, Boo Bash Plates, OME 2"
Last edited by davet; 29-01-2018 at 01:03 PM.
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12-02-2018
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Newbie
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Join Date: Feb 2015
Location: Port Stephens nsw
Posts: 32 What Jeep do I drive?: WH
Likes: 0
Liked 5 Times in 4 Posts
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Hello All
I've sold my jeep - 2006 WH 3.0 V6 with Murchison suspension upgrade - as I went to the Kimberley last year and required a vehicle with much more room so I now have a military series 79 cruiser with a service body on the rear tray. It reminds me so much of my 1979 Cherokee Chief as I drive it.
The reason I am commenting in your discussion is to say that 11 - 12 litres per 100 klm is what my jeep generally returned as fuel consumption. I noticed it increase 1 litre per 100 klm when I fitted BFG all terrains - as the rolling diameter was a little bigger and tred more surface resistance. i also found that the speedo is about 2 - 3 % high when compared to gps devices in my WH vehicle. So I suppose this means the speedo is measuring slightly more kilometres that what is actually being travelled? -- that would mean slightly less fuel used per 100 klm?
Oh the other reason for me entering this discussion is to mention my experience with a retune of the ECU - done to the landcruiser as standard, it is gutless on hills with a caravan behind it - when compared to White Cloud. That is that the fuel consumption increased - more power more fuel - I think its that simple.
So dont be too disappointed if your fuel consumption doesnt improve if you commit to the GDE upgrade - just enjoy the power.
I Am still a jeeper at heart - till the day I die
Happy Trails
Last edited by White Cloud; 12-02-2018 at 08:34 AM.
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12-02-2018
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Full Flexer
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Join Date: Aug 2009
Location: Concord in Sydney N.S.W.
Posts: 557 What Jeep do I drive?: XH
Likes: 824
Liked 87 Times in 60 Posts
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Quote:
Originally Posted by sfedek
My Results from a trip to Mittagong & back last night With my GDE flash tune from Stu @ Murchison Products.
I actually got it down to 9.2. Pretty Happy with this result.
Totally recommend this for anyone with a 3.0 CRD Commander or G.C.
Thank you Stu!.
Eddy
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I got even better from a trip out to Orange & back.
__________________
White XH Commander Limited
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26-02-2019
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Established Member
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Join Date: Mar 2004
Location: Woollamia, NSW, Australia
Posts: 242 What Jeep do I drive?: WH
Likes: 4
Liked 19 Times in 11 Posts
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Mine doesn't do quite as well as that...
__________________
2005 Jeep Grand Cherokee CRD - SOLD
2004 Holden Rodeo TD - SOLD
1996 XJ Sport - SOLD
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05-07-2019
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Senior Newbie
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Join Date: Oct 2011
Location: Perth, WA
Posts: 78 What Jeep do I drive?: WH
Likes: 5
Liked 40 Times in 16 Posts
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Hi All, for what it's worth this week I finally bit the bullet and got the GDE tune for my 2010. It's early days so far but my observations ;
Sounds more like a diesel, especially when you put your boot into it
Feels a little faster taking off and when you get into the throttle
Feels a lot more nimble around town, what I assume was the turbo lag is now gone. It feels much more responsive to throttle input in a good way and 'lighter' to drive, as if it is not working as hard
Feels smoother and quieter sitting on 60-70km/hr
In all, it's much nicer to drive with the tune than it was before.
I know none of these things are really measurable, just observations. I've kept a close eye on fuel econ. pre-tune so when I have some post-tune data to compare I'll update.
__________________
2010 WH Grand Cherokee Limited 3.0 CRD. Cooper AT3 245/70/17. GDE Eco, Boo Bash Plates, OME 2"
Last edited by davet; 05-07-2019 at 02:09 PM.
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