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LPG V8 Vs TDV6.
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Nodge68
 


Member Since: 05 Sep 2014
Location: Newquay
Posts: 1014

England 2005 Discovery 3 TDV6 S Manual Zambezi SilverDiscovery 3
LPG V8 Vs TDV6.

As per the title really. I'm looking at getting a D3. I would prefer an SE or above spec. I'm keeping my options open with regards to engine type. If I go down the V8 route, it will be fitted with LPG.

So which is your preferred engine and why.
Thanks
Nodge68
  
Post #133756510th Sep 2014 6:35 am
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SkyBear
 


Member Since: 29 Mar 2014
Location: Weston-super-Mare
Posts: 277

United Kingdom 2005 Discovery 3 4.4 V8 SE Auto Java BlackDiscovery 3

V8. No delay at junctions, quiet and smooth as silk(except when you drive hard then the V8 sounds are there). I am getting 31mpg equivalent out of my V8 over the last 6000 miles (don't use the dash it lies, only actual tank measurements work for mpg). I am not a conservative driver limping around trying to eke my mpg up, I just drive.

No turbo issues, No trimming belts, Oil pump problems high pressure pumps.

Lower initial purchase price means a quality LPG install is affordable overall.

Oh and you won't have a spare wheel for anyone to nick Laughing

SB
 Black 05 V8SE  
Post #133758010th Sep 2014 6:52 am
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Nodge68
 


Member Since: 05 Sep 2014
Location: Newquay
Posts: 1014

England 2005 Discovery 3 TDV6 S Manual Zambezi SilverDiscovery 3

I spoke to the garage selling the LPG V8 in question. He tells me that the MIL is on when running on LPG. I guess this is a mixture problem.
Also I've been reading about some valve seat recession problems affecting the Jag 4.4 V8. How true this is, I don't know.
  
Post #133809110th Sep 2014 7:19 pm
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wvlenthe
 


Member Since: 07 Jan 2009
Location: Arnhem
Posts: 1967

Netherlands 2005 Discovery 3 4.4 V8 HSE Auto Zermatt SilverDiscovery 3

Hi Nodge,

My V8 (on petrol, not lpg) just went over 200,000 kms and no engine problems.

Wiljo
 D3 V8 HSE Auto in Zermatt silver - driveway version gone but not forgotten, only the living room cupboard version remains  
Post #133818610th Sep 2014 8:42 pm
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SkyBear
 


Member Since: 29 Mar 2014
Location: Weston-super-Mare
Posts: 277

United Kingdom 2005 Discovery 3 4.4 V8 SE Auto Java BlackDiscovery 3

Eventually you may get some valve problems though the JLR engine does not suffer as much as some. To redo the valves is 500 and this will be a one time job unless you plan on keeping it a very long time and going to the moon and back. That 500 is easily covered in savings elsewhere.

You won't regret it anymore than buying a diesel they will both have costs along the way so go ahead and get some enjoyment out of it.

I've had lpg for over 25 years and have never regretted it from volvo's to range rovers and discoveries. My volvo from new lpg'd it and did 297000 miles with no valve problem and not much less miles in my range rover.

SB
 Black 05 V8SE  
Post #133868011th Sep 2014 5:26 pm
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Discotres
 


Member Since: 25 Jan 2010
Location: London
Posts: 8491

Scotland 2009 Discovery 3 TDV6 GS Manual Stornoway GreyDiscovery 3

What would be the cost to change over a 110 V8 to LPG? Wink
  
Post #133868411th Sep 2014 5:28 pm
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Nodge68
 


Member Since: 05 Sep 2014
Location: Newquay
Posts: 1014

England 2005 Discovery 3 TDV6 S Manual Zambezi SilverDiscovery 3

SkyBear wrote:
Eventually you may get some valve problems though the JLR engine does not suffer as much as some. To redo the valves is 500 and this will be a one time job unless you plan on keeping it a very long time and going to the moon and back. That 500 is easily covered in savings elsewhere.

You won't regret it anymore than buying a diesel they will both have costs along the way so go ahead and get some enjoyment out of it.

I've had lpg for over 25 years and have never regretted it from volvo's to range rovers and discoveries. My volvo from new lpg'd it and did 297000 miles with no valve problem and not much less miles in my range rover.

SB


Thanks for the info. I drive a V6 Freelander at the moment, this is what the D3 will replace. I can do the spanner work so it's parts and machining only for costs. I have read about valve lubricant for LPG systems, this might be an answer.
From an enjoyment point of view, the V8 is the way to go.
  
Post #133871911th Sep 2014 6:38 pm
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Ivan
 


Member Since: 01 Mar 2011
Location: Malvern Worcestershire
Posts: 692

United Kingdom 

I have a V8 which has now done 170,000 km it's been LPG'd for about 40,000. Over here diesel is around $1.50 per litre, I pay 73 cents for LPG. I also have a valve saver system fitted. Not sure if it will make any difference but they fitted it when I had the conversion done.
I love it at traffic lights when the diesel Toyotas see it's a Land Rover and decide to beat me away from the lights. I just let them get about 10 yards ahead and then I floor it Laughing then they see the little badge on the back. I shouldn't do it I know but somethings just have to be done Mr. Green

Ivan
 2013 RR Vogue SE SDV8
2013 Freelander 2 HSE Luxury SD4 
 
Post #133945412th Sep 2014 9:31 pm
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