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Home > Puma (Tdci) > Remapping a 2.4 TDCI - What does it actually mean?

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BruceT

Member Since: 01 Nov 2010
Location: South Africa
Posts: 518

Remapping a 2.4 TDCI - What does it actually mean?

I have searched the forum and found lots of progress reports and arguing about whose is better etc etc, but I have not found anything that explains what it actually means in the real world.

So please someone tell me why I should consider this as my next upgrade.

I have also seen comments about the amazing improvement in drivability etc. What does that mean?

Please tell me what that means to a non technical guy.

Thank you.

25th Oct 2012 10:23am

Glynparry25

Member Since: 16 Feb 2009
Location: Miserable Midlands
Posts: 3015

2009 Defender 110 Puma 2.4 XS DCPU Tonga Green

Easy, very simple answer:

When manufacturers design/ build/ develop an engine they will put software on it. They will then look into the following requirements- Power, Torque, Economy, reliability, fuel etc.

They will then select the easiest most basic program that suits all the criteria.

Re-mapping is where a company (loads to choose from) fine tunes the figures to increase the necessary criteria that you specify 'Maximum power', 'Bes MPG' etc.

Glyn

25th Oct 2012 11:04am

BruceT

Member Since: 01 Nov 2010
Location: South Africa
Posts: 518

Thank you.

So there must be some sort of trade off or negative to this?

25th Oct 2012 11:07am

Glynparry25

Member Since: 16 Feb 2009
Location: Miserable Midlands
Posts: 3015

In general no...... Land Rover have gone for a maximum power of 122bhp....... so they probably de-tunned the engine to get this figure. Also remember the more power you have the less throttle/ effort you need so technically you are prolonging the life of your engine.

I would say the only down side to it is that you might find that fuel quality may affect it more- but that is about it. I still don't have any problems with mine after 2 years and all sorts of fuel from 'winter fuel' in Austia to the low quality stuff out here.

I am sure that if you pm/email any of the sponsors (Alive, BAS, iRB) hey will probably be able to expand more on it all.

Glyn

25th Oct 2012 11:12am

BruceT

Member Since: 01 Nov 2010
Location: South Africa
Posts: 518

OK thank you Glyn.
I just wanted to understand a bit more before spending the money.

25th Oct 2012 11:18am

dnorrishill

Member Since: 15 Jul 2011
Location: Hampshire
Posts: 615

2014 Defender 90 Puma 2.2 XS CSW Aintree Green

I may be completely wrong, but don't manufacturers use maps to sell more powerful versions of the same engine but for more money; e.g. the Freelander has the TD4 (150bhp) and SD4 (190bhp) - but it's the same PSA 2.2 Turbo Diesel, just with different software settings.

25th Oct 2012 11:19am

Alive Tuning

Member Since: 01 Mar 2010
Location: Louth
Posts: 609

dnorrishill wrote:
I may be completely wrong, but don't manufacturers use maps to sell more powerful versions of the same engine but for more money; e.g. the Freelander has the TD4 (150bhp) and SD4 (190bhp) - but it's the same PSA 2.2 Turbo Diesel, just with different software settings.

This does appear to be the case, especially so in more recent years. However, there is a tremendous amount of potential available, that we can of course extract.

Regards,

Gary.

25th Oct 2012 11:35am

BruceT

Member Since: 01 Nov 2010
Location: South Africa
Posts: 518

Ok to try and simplify it for my understanding, if I get my 2.4 ltr mapped its going to feel like a bigger more powerful motor, ltr therefore when I tow my heavy off road caravan it is going to tow easier also?

25th Oct 2012 11:43am

Glynparry25

Member Since: 16 Feb 2009
Location: Miserable Midlands
Posts: 3015

BruceT wrote:
Ok to try and simplify it for my understanding, if I get my 2.4 ltr mapped its going to feel like a bigger more powerful motor, ltr therefore when I tow my heavy off road caravan it is going to tow easier also?

It will feel more powerful, more responsive and will tow MUCH better (the main reason I got mine done).

Glyn

25th Oct 2012 11:54am

Alive Tuning

Member Since: 01 Mar 2010
Location: Louth
Posts: 609

BruceT wrote:
Ok to try and simplify it for my understanding, if I get my 2.4 ltr mapped its going to feel like a bigger more powerful motor, ltr therefore when I tow my heavy off road caravan it is going to tow easier also?

The biggest gain you get from remapping a diesel engine, is with torque. The more torque an engine has, the 'bigger' it feels, as it's more able to deal with any additional loading. It will feel much stronger!

Please bear in mind that there are remaps, and there are remaps. There is literally millions of combinations of changes can be made, to any ECU, so it's essential you choose a company with a good reputation, and experience of tuning land rovers.

Best Regards,

Gary.

25th Oct 2012 12:15pm

BruceT

Member Since: 01 Nov 2010
Location: South Africa
Posts: 518

Thank you Gary.

I (think) I have chosen a local company purely due to their reputation.

Just out of interest, Alive was my first option based on everything I have read but due to poor exchange rates for South Africans it makes your product hugely expensive unfortunately and I will not be able to do the Alive tuning option.

25th Oct 2012 12:21pm

Naks

Member Since: 27 Jan 2009
Location: Stellenbosch, ZA
Posts: 2638

2010 Defender 90 Puma 2.4 SW Alpine White

BruceT wrote:
I (think) I have chosen a local company purely due to their reputation.

Bruce, if you are coming to this side of the world in Dec, wait until you can drive my landy. You can then assess the driveability/power before you commit.

--
2010 Defender Puma 90 + BAS remap + Alive IC + Slickshift + Ashcroft ATB rear
2015 Range Rover Sport V8 Supercharged

Defender Puma Workshop Manual: https://bit.ly/2zZ1en9
Discovery 4 Workshop Manual: https://bit.ly/2zXrtKO
Range Rover/Sport L320/L322/L494 Workshop Manual: https://bit.ly/2zc58JQ

25th Oct 2012 12:44pm

BruceT

Member Since: 01 Nov 2010
Location: South Africa
Posts: 518

Naks wrote:
BruceT wrote:
I (think) I have chosen a local company purely due to their reputation.

Bruce, if you are coming to this side of the world in Dec, wait until you can drive my landy. You can then assess the driveability/power before you commit.

Thanks for the offer Naks but would prefer to do it before the trip to Cape Town....

P.s. we need to arrange a GTG.

25th Oct 2012 12:47pm

Naks

Member Since: 27 Jan 2009
Location: Stellenbosch, ZA
Posts: 2638

BruceT wrote:
Thanks for the offer Naks but would prefer to do it before the trip to Cape Town....

Fair enough, but I do not doubt you are doing the right thing. You will save a bucket of money on fuel during that drive, esp with the bigger intercooler.

Quote:
P.s. we need to arrange a GTG.

Yep, with Regard as well. I am going to Mauritius from the 18th though, so it will have to be before then. --
2010 Defender Puma 90 + BAS remap + Alive IC + Slickshift + Ashcroft ATB rear
2015 Range Rover Sport V8 Supercharged

Defender Puma Workshop Manual: https://bit.ly/2zZ1en9
Discovery 4 Workshop Manual: https://bit.ly/2zXrtKO
Range Rover/Sport L320/L322/L494 Workshop Manual: https://bit.ly/2zc58JQ

25th Oct 2012 12:52pm

Go Beyond

Member Since: 30 Jan 2012
Location: Headcorn, Kent
Posts: 6678

It's a tough life for those Saffys ....

25th Oct 2012 12:56pm

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