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Home > Technical (L322) > Fancy a Full Fat with a 2.0 4 cylinder diesel engine?
Fancy a Full Fat with a 2.0 4 cylinder diesel engine?
Yes
29%
 29%  [8]
No
70%
 70%  [19]
Total Votes: 27

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kingpleb



Member Since: 07 Jun 2011
Location: Maybe here. Maybe there, I get everywhere!
Posts: 8455

United Kingdom 2005 Range Rover Vogue Td6 Bonatti Grey

Fair do's for them sticking with Camchain technology but IMO that camchain design is going to be a PITA maybe even in the short term as its more likely the chain will wear thru before the guides and just think of the metallic debris over the extended services thats going to occur...

TBH i could only see that being in an FF if it was as part of a hybrid drivetrain as while the BHP figure is good its the torque we know and love from our engines that makes the biggest impact in an FF.

TBH its going to be more for the lower LR's and not go straight into the sport and such as i guess its still a heavy unit. FFRR MY06 facelift With TDV8 Alloys Zeros/ATR's
Mantec Sump Guard, Rigid Load liner, MY10 BT upgrade.

Post #270388 12th Jul 2014 9:41am
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Philip



Member Since: 05 Jan 2010
Location: UK
Posts: 2564

2019 Range Rover Autobiography SDV8 Aintree Green

I'd put money on it ending up in the Sport in some guise.

They surely need a plug-in hybrid drivetrain too.

Post #270401 12th Jul 2014 11:01am
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KurtVerbose



Member Since: 08 Aug 2010
Location: Les Arses
Posts: 5848

Switzerland 2007 Range Rover Vogue TDV8 Stornoway Grey

kingpleb wrote:
Fair do's for them sticking with Camchain technology but IMO that camchain design is going to be a PITA maybe even in the short term as its more likely the chain will wear thru before the guides and just think of the metallic debris over the extended services thats going to occur...


There must be a reason for it - maybe so it's easier doing different engine configurations with a modular approach? The thing is one reason almost all other engines take the drive for cams and ancilliaries from the front is the torque from the front cylinder has to be passed all the way down the crankshaft to the flywheel. Driving stuff off the front takes that strain off the crank.

kingpleb wrote:
TBH i could only see that being in an FF if it was as part of a hybrid drivetrain as while the BHP figure is good its the torque we know and love from our engines that makes the biggest impact in an FF.


Not for the diesel. That will have plenty of torque - they have to as they can't rev.

Post #270415 12th Jul 2014 11:58am
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ebajema



Member Since: 24 Mar 2011
Location: New Plymouth
Posts: 4782

New Zealand 2010 Range Rover Autobiography 5.0 SC V8 Galway Green

As for the camchain, there is a new design on the market, patented by a Dutch engineer that is being used by Mercedes. Reason I know is because my dad was heavily involved in the development and testing of the design as the engineer was a co-worker of him.

The chain design and the guides are a lot more quiet (problem with the "normal"chains) and the new design also makes the chain more durable (less fatigue).

It would also be ideal for motorbikes and any other chain driven things. Maybe JLR doesn't want to pay the patent fees (they should and no my dad won't benefit from it Smile ).

I think it is very possible to make a small engine in a hybrid package as smooth as a big displacement engine. It needs quite some electronic wizadry but so do modern combustion engines anyway.

The amount of control that you have over e-motors is amazing. In the offshore industry we have been using e-motors more and more and in applications that require quite some control (pipelay tensioners, cranes, dp systems, winches etc. etc.). Most modern vessels are diesel electric, that means the diesel engines drive generators and the rest of the vessel runs on electricity (although some via hydraulics but that is getting less and less).

So I think that it will be a viable solution for a FFRR as well, already in the L405 in the next 4 to 5 years I would estimate. I'd love to have a look in their development kitchen but I don't think I will ever get the chance Smile MY 2010 5.0 SC Galway green and sand interior!!
Have the Faultmate MSV2 Extreme to be tinkering with the settings etc. !!

Post #270423 12th Jul 2014 1:15pm
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KurtVerbose



Member Since: 08 Aug 2010
Location: Les Arses
Posts: 5848

Switzerland 2007 Range Rover Vogue TDV8 Stornoway Grey

What's a DP system?

Post #270432 12th Jul 2014 2:29pm
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fanders



Member Since: 10 Jul 2013
Location: Hants, UK
Posts: 313

United Kingdom 2009 Range Rover Autobiography 4.2 SC V8 Buckingham Blue

Dynamic Positioning - a system of thrusters and engine control that holds the ship to a position with fine tolerance, thanks to GPS position guidance. I don't have much experience, but I think +\- 50cm is possible. Not bad for an 8,000t ship...

Post #270475 12th Jul 2014 10:17pm
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miggit



Member Since: 12 Jul 2014
Location: Milton Keynes
Posts: 3657

United Kingdom 

Hi all, I have had experiance of big 4x4's with 4pot engines, all I can say is the don't preform well under heavy load. In fact they normally explode! 6 or 8 cyclinders are better under stress ( towing 3.5 tons )
However a 250 hp 4 pot does look interesting if someone like Brabus get hold of it, and do like they did to the smart car? they fused two engines together..... 500 hp 8 pot now we're talking!

Post #270483 12th Jul 2014 11:37pm
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campaj1



Member Since: 22 Oct 2012
Location: Cheshire
Posts: 729

United Kingdom 

Will reserve judgment until we see what the engine is actually like on the road. Just know that every other manufacturer has failed to get the refinement of a '6 or bigger... ML250 and ML350 are like chalk and cheese in this respect.

Post #270583 13th Jul 2014 11:37am
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