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Mo Murphy



Member Since: 01 Jun 2008
Location: Letchworth Garden City, Herts
Posts: 2227

United Kingdom 1984 Defender 90 BMW M57 3.0 Diesel HT Auto Pennine Grey
The M57 has so much torque that I can't see an overdrive being of any use, just fit higher transfer box gearing, its easily capable of pulling it.
Mo The Land Rover 90 - Many are called, few are chosen.

50 Shades of Pennine Grey
Post #1014371 8th Nov 2023 12:14pm
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geobloke



Member Since: 06 Nov 2012
Location: Nottinghamshire
Posts: 4410

United Kingdom 
Fair enough Mo. Thumbs Up
Post #1014372 8th Nov 2023 12:19pm
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Shroppy



Member Since: 25 Feb 2016
Location: Shropshire
Posts: 866

United Kingdom 1986 Defender 130 V8 Petrol HCPU Aintree Green
Following this with interest. Still tempted by an M57 despite geobloke swaying me towards a Td5 when we met earlier in the year Rolling with laughter 1985 127 V8 Build Thread
Series 2 109"
Series 1 80"
Post #1014373 8th Nov 2023 12:46pm
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Mo Murphy



Member Since: 01 Jun 2008
Location: Letchworth Garden City, Herts
Posts: 2227

United Kingdom 1984 Defender 90 BMW M57 3.0 Diesel HT Auto Pennine Grey
Its so much more than a TD5, Shroppy!
Mo The Land Rover 90 - Many are called, few are chosen.

50 Shades of Pennine Grey
Post #1014494 9th Nov 2023 6:37am
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BrickBox



Member Since: 05 Oct 2021
Location: Wales
Posts: 809

Wales 2008 Defender 110 Puma 2.4 USW Zermatt Silver
As above - I’d say the M57 is leagues ahead combined with the auto box.

TD5 wouldn’t be a consideration out of the 2. 2008 2.4 110 Utility Station Wagon XS.
Post #1014511 9th Nov 2023 8:34am
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barbel jim



Member Since: 12 Dec 2012
Location: Northants
Posts: 1423

United Kingdom 2005 Defender 90 Td5 HT Tonga Green
It’d be interesting pairing a box with a td5 engine. The ratios in the r380 is rather limiting. A tuned td5 will produce similar figures for a fraction of the price. Personally I wouldn’t spoil a perfectly good td5 for the conversion, but if I still had my 2.2 I’d be chomping at the bit Laughing
Post #1014601 9th Nov 2023 8:43pm
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geobloke



Member Since: 06 Nov 2012
Location: Nottinghamshire
Posts: 4410

United Kingdom 
Shroppy wrote:
Following this with interest. Still tempted by an M57 despite geobloke swaying me towards a Td5 when we met earlier in the year Rolling with laughter


I know I know... A guy is allowed to potentially change his mind you know Rolling Eyes Rolling with laughter I am still wary of all the plastic, but I get why folks are keen on the idea.
Post #1014603 9th Nov 2023 8:55pm
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Bluericky



Member Since: 26 Jun 2014
Location: Cornwall
Posts: 647

United Kingdom 2009 Defender 110 Puma 2.4 DCPU Keswick Green
jst wrote:
I have done an mt82/184 for my 90.

Am about to do a n2 6hp to my 130.

I have gone demand engr for exhaust for the n2.

Centre console there are some options coming, ask Marcus.

For my 130 i am fitting his air solenoids, have orders them too..Will run them off my t max compressor which is under drivers seat. Air res is an a6 air suspension res, cheap manifold off ebay with pressure switch.


Hi James

Thank you for the tips. I havn't spoken with demand yet but will do tomorrow. Did you give them precise measurements or have they previously jigged one up ?
Tried to get hold of Marcus, I know he's a busy chap. Messaged another guy on FB who seems to be working with MW to get a cubby. Also messaged Lucari who were very prompt to reply and happy to do it, subject to placement of shifter and switches.

What size is your TMAX compressor and does it need a seperate resovoir bottle for the air suspension ?
I have to say, it would be great if I could get one man enough to pump up various bits and pieces and run air tools but not entirely necessary ! https://www.instagram.com/hustynminepark/
Post #1014604 9th Nov 2023 9:01pm
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shanecl



Member Since: 20 Mar 2013
Location: Louth
Posts: 496

Ireland 1989 Defender 90 V8 Petrol CSW Auto Firenze Red
Hi Blue ricky

no just tell Demand you fitted a M57 and if its a 90 or whatever
Post #1014686 10th Nov 2023 12:03pm
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Chicken Drumstick



Member Since: 17 Aug 2020
Location: Near MK
Posts: 717

United Kingdom 
Shroppy wrote:
Following this with interest. Still tempted by an M57 despite geobloke swaying me towards a Td5 when we met earlier in the year Rolling with laughter

Has to depend on what your starting point is, how much you want to spend and who is physically doing the conversion.

The Td5 is a fine engine and of course an engine factory fitted by Land Rover in the Defender. So if you want to keep it factory, it is a good choice. And moderately easy to make it look like a factory install.

Lots of Td5 engines available for little money too and few alterations needed.

If you have a 300Tdi or later (excluding Tdci), it should be an easy swap. If its a 200Tdi or older then it is more work.

The M57 will be a more expensive choice and while the engine was used in the L322, you will end up with custom parts to complete the build. There are also a number of different approaches to fitting this engine depending on what gearbox you want to use and what vehicle you source the engine from. While it is a proven path, it is a far more complex engine swap and I'd guess likely to cost 2 or 3+ times more than a Td5 swap.

The biggest reason to go for the M57 is power. If you don't plan on tuning it or making use of more power. You'd have to question why go down that route. But bigger power may also require other upgrades too.

That all said and done, there are still lots of other engine swap options too. If MPG isn't your primary concern there are some interesting petrol engines to consider.
Post #1014691 10th Nov 2023 12:50pm
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Shroppy



Member Since: 25 Feb 2016
Location: Shropshire
Posts: 866

United Kingdom 1986 Defender 130 V8 Petrol HCPU Aintree Green
Without wishing to hijack this thread:

Starting point: 1985 127, 3.5 V8 (original), but the vehicle is undergoing a full rebuild and I have a new 4.6 and R380 in storage that was originally destined for it.
Budget: Healthy but not endless.
Who is doing the work?: Me Cool

Given that the GVW will be 3450kg, and it will be used to tow 3500kg, power is definitely a consideration. A petrol V8 would be my preference, but I can't completely rule out fuel economy given that it will be a vehicle for exploring and to a small extent, work. 1985 127 V8 Build Thread
Series 2 109"
Series 1 80"
Post #1014694 10th Nov 2023 1:45pm
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jst



Member Since: 14 Jan 2008
Location: Taunton
Posts: 8021

 2011 Defender 110 Puma 2.4 USW Stornoway Grey
Bluericky wrote:
jst wrote:
I have done an mt82/184 for my 90.

Am about to do a n2 6hp to my 130.

I have gone demand engr for exhaust for the n2.

Centre console there are some options coming, ask Marcus.

For my 130 i am fitting his air solenoids, have orders them too..Will run them off my t max compressor which is under drivers seat. Air res is an a6 air suspension res, cheap manifold off ebay with pressure switch.


Hi James

Thank you for the tips. I havn't spoken with demand yet but will do tomorrow. Did you give them precise measurements or have they previously jigged one up ?
Tried to get hold of Marcus, I know he's a busy chap. Messaged another guy on FB who seems to be working with MW to get a cubby. Also messaged Lucari who were very prompt to reply and happy to do it, subject to placement of shifter and switches.

What size is your TMAX compressor and does it need a seperate resovoir bottle for the air suspension ?
I have to say, it would be great if I could get one man enough to pump up various bits and pieces and run air tools but not entirely necessary !


i didn't give any dims for down pipe, think he has a jog, depending on engine type you need to specify sensors needed or not.

Lucari offer a cubby box/gear selector locator option?

i run a single head T max compressor that feeds an air manifold. this in turn has the pressure switch fitted to it. plus outputs to axle lockers, PCL fitting and an air reservoir. i have used A6 air suspension res in the past for this job but any air res will do it. its a reasonably cheap was of fitting air to a vehicle.

compressor
https://www.ebay.co.uk/itm/115954559099?ch...gIlW_D_BwE

Manifold

https://www.ebay.co.uk/itm/131905797277?ha...R5b-kpj3Yg


Air Pressure switch

https://www.ebay.co.uk/itm/325309396165?ha...R-SOnJj3Yg

some 6mm push fits, some blanking plugs,some 6mm pipe.

air res:

https://www.ebay.co.uk/itm/166227838976?ep...R_72ppj3Yg

these arent the actual items i have just the ones that showed first on a search but you should get the idea.

i have several of these running, longest setup is in my 110 that was fitted 2012.

Hope this helps

James Cheers

James
110 2012 XS Utility
130 2011 M57 bespoke Camper
90 2010 Hardtop
90 M57 1988 Hardtop
Post #1014696 10th Nov 2023 1:57pm
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jst



Member Since: 14 Jan 2008
Location: Taunton
Posts: 8021

 2011 Defender 110 Puma 2.4 USW Stornoway Grey
Shroppy wrote:
Without wishing to hijack this thread:

Starting point: 1985 127, 3.5 V8 (original), but the vehicle is undergoing a full rebuild and I have a new 4.6 and R380 in storage that was originally destined for it.
Budget: Healthy but not endless.
Who is doing the work?: Me Cool

Given that the GVW will be 3450kg, and it will be used to tow 3500kg, power is definitely a consideration. A petrol V8 would be my preference, but I can't completely rule out fuel economy given that it will be a vehicle for exploring and to a small extent, work.


i am similar with my 130. going from 2.4 to m57n2 auto with 1.3 box on 235/85s. i want the torque.

its not the engine thats expensive its the conversion kit. Cheers

James
110 2012 XS Utility
130 2011 M57 bespoke Camper
90 2010 Hardtop
90 M57 1988 Hardtop
Post #1014697 10th Nov 2023 2:00pm
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Chicken Drumstick



Member Since: 17 Aug 2020
Location: Near MK
Posts: 717

United Kingdom 
Shroppy wrote:
Without wishing to hijack this thread:

Starting point: 1985 127, 3.5 V8 (original), but the vehicle is undergoing a full rebuild and I have a new 4.6 and R380 in storage that was originally destined for it.
Budget: Healthy but not endless.
Who is doing the work?: Me Cool

Given that the GVW will be 3450kg, and it will be used to tow 3500kg, power is definitely a consideration. A petrol V8 would be my preference, but I can't completely rule out fuel economy given that it will be a vehicle for exploring and to a small extent, work.

There is still something about a Rover V8. A 4.6 is a good way to 200-250hp, but there is no denying it'll like a drink.

My p38 is currently showing 13.8mpg, which really hurts the wallet with fuel prices these days.

If you want more power then supercharing the RV8 is an option. Several ways to do this on a home build. The RV8 will make a better noise than the M57 and be smoother. And I'd think power could be similar given a similar budget considering you already have the 4.6

So it really comes down to mpg. LPG is really the only way to reduce pence per mile costs with the RV8. But won't be for everyone.

Other petrol engines I think would be interesting. BMW 6 pot as per the S. Africa variant. The 2.8 can easily make cira 230hp and if you coupled it with a 1.6 transfer box and a Roamerdrive I think it would make for a nice alternative to an RV8. Although probably slightly less low end grunt and a bit more revvy.

Probably slightly cheaper than the M57 conversion but similar. Biggest advntage is petrol refinement and power delivery vs the diesel.

Chevy LS has to be on the list too I'd have thought. Crate engines are well priced and likely to cost similar to the M57 conversion. Sadly no good manual conversions though, they are mostly automatics.

My top engine choice however would be a Jaguar V8. As it is also a Land Rover engine. Good choice from 300hp 4.2 and 4.4 options plus supercharged options. Either wholesale with the auto or my preferred choice with the ZF 6 speed manual. Bit more work than an RV8 but a much more modern engine. Suspect MPG won't be massively better, but you should be talking more power.

For a 130 I think I'd also be considering a Cummins swap too if you really want to go diesel.

Nothing against the M57, it is kind of on my list too although I probably would not consider a Td5. I have an LT-77, so would need to change gearboxes, maybe seat box and perhaps props. Which seems a lot of work to just go to a Td5. Guessing you probably have an LT-85 with the V8, so you are in a similar boat.
Post #1014717 10th Nov 2023 4:18pm
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Shroppy



Member Since: 25 Feb 2016
Location: Shropshire
Posts: 866

United Kingdom 1986 Defender 130 V8 Petrol HCPU Aintree Green
Agreed, Rover V8s are lovely, just not comparable with modern V8s.

An LS3 is on the cards, but I've yet to see any solid MPG figures and whilst it's not a dealbreaker, I can see it not getting the use it ought to if it only managed low-mid teens. Quite tempted by the Ford Coyote 5.0L, but it's a less common swap...

Cummins are phenomenal engines, but too much for a Land Rover IMO.

M57s are undoubtedly excellent engines, but I'm just not sold on them yet.

If going to all the effort, I'd probably go automatic. Whilst I love driving a manual, there is a lot to be said for a modern(ish) auto box. 1985 127 V8 Build Thread
Series 2 109"
Series 1 80"
Post #1014762 10th Nov 2023 8:50pm
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