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D4 Tuned vs L494 Tuned SDV6 vs SDV8
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richardch
 


Member Since: 27 Dec 2005
Location: Zurich
Posts: 415

Switzerland 2012 Discovery 4 3.0 SDV6 HSE Auto Chawton WhiteDiscovery 4
D4 Tuned vs L494 Tuned SDV6 vs SDV8

So first of all the SDV6 engine in the DISCO4 is almost exactly the RRS SDV6 L494 engine, so why don't ECU tuners offer to take the D4 SDV6 to 330 hp like the RRS SDV6 ? and then when I think about it also from a fuel economy stand point aren't I better off with a tuned L494 RRS SDV6 autobiography than a L494 SDV8 ? Further to that whom of you have tuned the SDV8 ?? The only reservation I have is that the untuned SDV6 in the RRS SDV6 sounds terrible ??
  
Post #201015317th Dec 2018 6:48 pm
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Disco_Mikey
 


Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20731

Scotland 2005 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

Because its "almost" the same Wink

A D4 weighs half a ton more than the L494, so it will never be as quick regardless of tuning

The SDV8 must be a proper giggle with 370bhp Laughing
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Post #201018417th Dec 2018 7:49 pm
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richardch
 


Member Since: 27 Dec 2005
Location: Zurich
Posts: 415

Switzerland 2012 Discovery 4 3.0 SDV6 HSE Auto Chawton WhiteDiscovery 4

thks but tuning the SDV8 only gives 30HP, why so little ???
  
Post #201020117th Dec 2018 8:22 pm
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Disco_Mikey
 


Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20731

Scotland 2005 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

Gearbox input torque limits the amount of gains that can be had...
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Post #201020617th Dec 2018 8:42 pm
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JuusoKa
 


Member Since: 20 May 2017
Location: Hämeenlinna
Posts: 22

Finland 2012 Discovery 4 3.0 SDV6 HSE Auto Fuji WhiteDiscovery 4

How many HP you can get more from tuning the SDV6 in Disco 4?
 Disco 4 SDV6 HSE 2012  
Post #201025117th Dec 2018 9:58 pm
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Disco_Mikey
 


Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20731

Scotland 2005 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

Just short of 320bhp Thumbs Up
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Post #201025517th Dec 2018 10:04 pm
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