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mross
Hi Guys

I have been thinking recently i could do with a bit more power and torque on my focus 2.0 tdci 136bhp, has anyone used or are currently using one of these diesel tuning boxes, you see them on ebay alot. I know a remap is by far the best thing to do but its expensive and alot of hassle if i needed to ever put it back to original format, where as these diesel tuning boxes are plug n play and alot cheaper and say they can boost my cars bhp to about 160, i am a bit dubious so wanted to ask if anyone has owned one or is currently using one and does it really give you more torque and power with out screwing up anything.

Thanks Guys,
APJ
from what ive heard the boxes are very dodgy and not worth the hassle. best bet is to save up and get it remapped properly mate
mross
Ok thanks for that, your right i know a remap is really the only option was just curious i guess. Thanks again
APJ
Celtic Tuning are meant to be very good ( http://www.celtictuning.co.uk/Default.aspx) ....they recently remapped my mates 2.2CTDI Honda Civic and its ace...has taken it from 138BHP to 193BHP and 252 lb/ft of torque to 292 ib/ft of torque. its really noticeable to. I didnt believe it would have much of an effect but it really does. Plus if hes really careful on the throttle he can get his MPG up over 70 on decent motorway runs. Plus they let him keep the original map so if has any issues can just put the original software back on:-)

Celtic quote that they can up our model of Focus to 186BHP and 321 lb/ft of torque! i am tempted but have other things to sort out first:-(
mross
[quote name='APJ' timestamp='1300364489' post='118865']
Celtic Tuning are meant to be very good ( http://www.celtictuning.co.uk/Default.aspx) ....they recently remapped my mates 2.2CTDI Honda Civic and its ace...has taken it from 138BHP to 193BHP and 252 lb/ft of torque to 292 ib/ft of torque. its really noticeable to. I didnt believe it would have much of an effect but it really does. Plus if hes really careful on the throttle he can get his MPG up over 70 on decent motorway runs. Plus they let him keep the original map so if has any issues can just put the original software back on:-)

Celtic quote that they can up our model of Focus to 186BHP and 321 lb/ft of torque! i am tempted but have other things to sort out first:-(
[/quote]
193 bhp n 292 ib/fb wow Thats impressive, will defo check them out later, thanks for that i have decided to go for the remap one way or another now, will let u know the out come :-)
jeebowhite
[quote name='mross' timestamp='1300363004' post='118863']
Ok thanks for that, your right i know a remap is really the only option was just curious i guess. Thanks again
[/quote]

Im going to vouch in favour of the Tuning Boxe's. I dont own one, however being a member of a Kia forums, there was a long drawn discussion for the benefits of the remap / tuning boxes.

Tuning boxes are not that much hassle, they are plug and play, they can be varied in settings, and they can be easily removed and plugged back in under any circumastance.

Speaking to some Kia Cee'd owners, they advise that they have used the likes of the Diesel Tuning Express box, they got an excellent response in power under the right setting and an improvement in MPG. for the benefits of retaining there 7 year warranty, they can remove the Tune Boxes before a trip to the garage, and no evidence of the device ensures that there warranty is upheld.

Remap is a very good way to go, however is expensive, very much detectable, and will cause your premium to increase on report to your insurance. Some who use Tuning boxes, do not notify there insurance company, but then can remove the device in instance of an accident, and with no trace of the unit, they could still have there insurance valid (dishonest as it may be it does happen!).

Tuning Boxes just trick the ECU into injecting more or less fuel, it can offer great benefit to torque at low revs, and can provide a very good gain of power. Also, Tuning boxes from DTUK (I believe this is the one) can then be sent back at time of replacing a vehicle, and for a modest fee of circa 50, they will reconfigure it for whatever vehicle you have just purchased, therefore the tuning box can be transferrable, unlike the remap.

Im not intending on getting either Remap or Tune Box anytime soon, and maybe will consider it in the future, but both do have there advantages, and both are simple enough to get on with. Installation of a remap is a trip to a garage, installation of a tune box is to pop the bonnet, plug it in, and removal is just as easy and quick.
Also the cost of tune box over remap can also be very beneficial. it really depends what you want oout the car!

So dont go giving up on the tunebox just yet, consider your options, and find the benefits of both. I would however strongly advise against the "Drake" Tuning box, after reviews from another forum, indicate that the item is not always good, the service he recieved was apalling, and contacting them was very difficult. So if you do go TuneBox - go UK!

Hope this is of some help
mross
Hi Guys

Just thought to give a little feed back as i have after much thought i purchased a tuning box from ebay with a full money back guarantee if not satisfied with the product i just couldn't resist giving it a go just to see if they are any good or not as i know i can get a refund if needed, it cost 95.99 including p+p and is called TDI Tuning box, its been on the car for two days now and im glad i took the chance because it is very very good, i didn't think the engine in my car was rough at all to begin with but now this thing is on it is silky smooth in idling acceleration and absolutely no flat spots at all it just keeps on pulling throughout the entire rev range and that's not to mention the increase in the power and torque which was instantly noticeable, i am well pleased with this product and i will not be returning it that's for sure.

ps: its not been on the car long enough to notice any mpg improvements or not as im monitoring it at the mo , but to be honest i really dont care :-)
johnH
do you have a link by any chance?
mross
yep no probs, here it is :-)

http://cgi.ebay.co.uk/Ford-Focus-TDCI-Diesel-Tuning-Box-Chip-/230579995671?pt=UK_CarsParts_Vehicles_CarParts_SM&hash=item35afa38417#ht_2572wt_958
Nicola 88
Hi,

I have been looking to get something done to my car too, its a 1.6 TDCI and while its nippy enough I really want something with a bit more power at lower revs.

I can't really decide between a remap or a tuning box. I Would notify my insurance company regardless of what I got, would either void the warranty though?
jeebowhite
[quote name='Nicola 88' timestamp='1300863383' post='119719']
Hi,

I have been looking to get something done to my car too, its a 1.6 TDCI and while its nippy enough I really want something with a bit more power at lower revs.

I can't really decide between a remap or a tuning box. I Would notify my insurance company regardless of what I got, would either void the warranty though?
[/quote]

Technically both would, as its a modification, that is technically putting more wear and tear on the engine parts. with a tuning box, if you need to take the car in, you just unplug it from the engine block, drive your car in - no one knows the difference (as far as Ford is Concerned!) thus, warranty is safe! with a remap, you can tell when the ECU has been flashed!

Mross, I'm glad you took the dive, the TDI Tuning box is a very good product from what I have read on the Kia forums! Its a cheap modification and it can make quite a difference!

the Tuning boxes merely trick your ECU into injecting a little more (or less setting dependant) fuel into the engine to play with, and thats why you get the benefit, as long as you dont max out the tuning box you will be putting very little additional pressure on the engine and turbo!

I hope you get a good run out of the tuning box, and I would recommend them to anyone (but coming from someone who doesnt own one but has done a lot of ressearch into them!)
catch
Well it would be a worthwhile comparison test, if anybody who is thinking of buying the linked to Tuning Box. To first do a "brimmed" Tank Test and note the actual fuel used to miles covered, prior to brimming the tank again. Then fit "the box" and run until it needs brimming again, record mileage covered and fuel used.

It's definitely the way I would approach it, as I like definitive proof of claims made by others. I mean if its just over fueling the car, it could possibly lead to the problem something like that experienced by some diesel owners. Whereby the lubricating oil in the sump becomes contaminated, leading to excessive wear of engine components.

johnH I'm thinking of you in particular as "forum tester" in this instance, obviously that is if your tempted to buy one. As I reckon you like me, like to prove stuff like that.
johnH
yeah im thinking about it...but yeah a comparison test of such mpg and 0-62mph is in order i reckons if i do. i love it when people say it cannot be done, like hell, it can lol
mross
[quote name='jeebowhite' timestamp='1300872786' post='119735']
Technically both would, as its a modification, that is technically putting more wear and tear on the engine parts. with a tuning box, if you need to take the car in, you just unplug it from the engine block, drive your car in - no one knows the difference (as far as Ford is Concerned!) thus, warranty is safe! with a remap, you can tell when the ECU has been flashed!

Mross, I'm glad you took the dive, the TDI Tuning box is a very good product from what I have read on the Kia forums! Its a cheap modification and it can make quite a difference!

the Tuning boxes merely trick your ECU into injecting a little more (or less setting dependant) fuel into the engine to play with, and thats why you get the benefit, as long as you dont max out the tuning box you will be putting very little additional pressure on the engine and turbo!

I hope you get a good run out of the tuning box, and I would recommend them to anyone (but coming from someone who doesnt own one but has done a lot of ressearch into them!)
[/quote]
Hi Jeebowhite

Yes matey well pleased with it, i hardly have to touch the accelerator and it pulls with ease, just like i was on half throttle before. After four days or so i can already see the MPG has got better, not by much but still its better about 4 MPG to what it was before (driving normally of course), i couldn't resist flooring it the other day though just to see how it behaves on full throttle and i can tell you it was unbelievable with no smoke what so ever, im glad i did some research before i bought one of these boxes as there is allot of variation of these things out there and things could have been very different, as you know the digital/constant real time monitoring boxes are the best as they adapt to your driving style where as others just pump in more fuel regardless. I have the box set smack in the middle not for full performance or not for pure economy so its about right i think and doesn't put too much strain on any other components, so if any one is thinking of going for one of these boxes i can strongly recommend TDI tuning.
jeebowhite
Good Stuff! Research is always necessary when it comes to these, but for what you have got for the amount you paid, it seems you got a gread deal of value for money!
mross
Hi Jeebowhite

Thanks for your advice and info at the start of this thread, to be honest if you hadn't have said what you did which prompted me to think on i probably would have gone for a remap at nearly three times the price i paid, don't get me wrong im not knocking remaps it just so happened that one of these boxes was the best option for me, so thanks again mate.
jeebowhite
Glad I could help. Its good to see I have the ocassional nugget of useful information ;)
d_deridex
Hi I'd just like to add my Tuning box experience. I own an 07 Fusion 1.6 TDCI but wanted more power thought of a remap but was too expensive so I purchased a box from ebay, called a Drake Box2.
The box gives 10 settings ranging from mild increase to insane!!

0 - alters the top end torque only
1 - 7 over all increase in power and fuel economy
8 - 9 power over economy massive increase in power, fuel economy less than original, but WOW!!

On setting 9, my 1.6 diesel torque steers, yes thats right torque steers. I can out pull a standard 2.2 TDCI mondeo ST.
[url="http://www.draketuning.com/ford.html"]Ford Power increase tables from Drake Tuning[/url]

In-case your wondering if those levels have had a detrimental effect on the engine, well Ive been running the box for nearly two years now and frankly the engine has been totally trouble free. Every service it comes backs no problem and the emissions tests are also normal even on the higher settings.

They also do as an optional extra a wireless key fob to turn the box on and off remotely.

here's the links [url="http://www.draketuning.com/shop/index.php?language=en&osCsid=87ac7b1bb58f93243474d26391ba4cce"]Main website[/url]
[url="http://www.draketuning.com/lista_auto"]Power increase tables[/url]

hope that helps

Rich
jeebowhite
I have heard bad things about Drake, so it seems you had a good box, as far as I am aware though, drake are based in Italy. Someone I know of who has dealt with them had major problems, ranging from a faulty product that kept knocking out the engine, to less than poor communication from the Customer Service.

On the other hand, DTUK I have heard nothing but good things for!
mintalkin
the way insurance is going through the roof, sometimes it makes you wonder if the extra premium for the box is worth it.
brian25
hi i have the celtic tuneing emotion box for my focus 1.6 tdci and its very good gone from 110 bhp to 148 bhp its a remap progream on a box cost me 395 and can remove it when i want and can use the box as a code reader and found a coupple of codes that the dash bord trick didnt i would recomend it to any one and they do it next day delivery and there customer service is very good p.s got the economy map but car is alot faster ;)
d_deridex
[quote name='jeebowhite' timestamp='1303800822' post='124331']
I have heard bad things about Drake, so it seems you had a good box, as far as I am aware though, drake are based in Italy. Someone I know of who has dealt with them had major problems, ranging from a faulty product that kept knocking out the engine, to less than poor communication from the Customer Service.

On the other hand, DTUK I have heard nothing but good things for!
[/quote]

I guess its all down to experience with any product. I have had NO trouble at all, I am very pleased with it. I can't comment on the customer service but their instructions to fit were good.

Ill keep people posted with any thing that crops up
jeebowhite
mintalkin, insurance goes up anyway, and some people have only been quoted an additional 10 to the premium price to notify the insurer that they are using a tune box, some deals could be worth it. others though, may charge through the roof for it, then you are definately right, and its not worth the hassle.

Brian, sounds like a good piece of kit. I do miss diesel purely for the fact I cant whack a tune box on my car, but your kit as a combined code reader is a brilliant idea!

d_der, it could well be that the person I know was a one off victim to the companies bad week!
paramaniac
Anyone had any experience with petrol tuning boxes? There seem to be a couple on the market, in particular: [url="http://www.powertuning.cc/page.php?16"]http://www.powertuning.cc/page.php?16[/url]

And do Celtic Tuning do an eMotion box for petrols?
jeebowhite
If I read correctly, arent they selling only to the trade? shame if you just want one, and no one near or far who is selling them!
Resonance

I am interested in this easy tuning. Have you installed the power box yourself?

 

I do have Focus 1.6 TDCi 90hp and found  that the common rail sensor is quite in a tricky place behind the engine.

 

Would be happy to hear about your installation experience.

jeebowhite

welcome along!

 

I personally havent installed one, come to think of it, dont think I have even looked for the port for that matter, might have to take a look at some point.

 

Have a look here : http://vtechtuning.eu/installation-instructions.html

 

they seem to have some excamples of how to install it!

Resonance

Thanks, I checked out that site.

 

Unfortunately the photo gives just an idea where to start searching.

The sensor plug is behind the engine about 12 inches down from the top and not visible if you look ablove.

 

I would be happy to hear if there is some trick how to plug off the connector (without removing battery + battery case)

 

Will keep on trying ;)

artscot79
Strange none of them gaurantee they wont damage the engine ..from what i know from the vw there are safety parameters built into the ecu these are over done a remap unlocks this extra power safely keeping within manufacturers tolerances so no extra stress or wear, a tuning box simply removes these tolerances altogether stating the ecu will take over to prevent damage however if the ecu doesnt even recognise the extra fuelling how would it know? doing this increases wear and stress .

the general rule was as you say get a reputable manufacturer but even they make no formal gaurantee also the mpg isnt correct the ecu doesnt recognise the extra fuel so thats not calculated in the mpg.. dyno tests on the seat and vw forums show they dont dyno anywhere near the claimed amount stated but are quicker and smoother tdi tuning like others use cheap analogue boxes really a proper digital one would be better and its possible to tell if youve had one plugged in so its up to the individual you get cheap power some have used them for years with no issues others no end of issues so its a risk
artscot79
Strange none of them gaurantee they wont damage the engine from what i know from the vw there are safety parameters built into the ecu these are over done a remap unlocks this power safely keeping within manufacturers tolerances so no extra stress or wear a tuning box simply removes these tolerances altogether stating the ecu will take over to prevent damage however doing this increases wear and stress the general rule was as you say get a reputable manufacturer but even they make no formal gaurantee also the mpg isnt correct the ecu doesnt recognise the extra fuel so thats not calculated in the mpg dyno tests on the seat and vw forums show they dont dyno anywhere near the claimed amount stated but are quicker tdi tuning use cheap analogue boxes really a proper digital one would be better and its possible to tell if youve had one plugged in so its up to the individual you get cheap power some have used them for years with no issues others no end of issues so its a risk
FOCA

I ran a tuning box for years with no problems, and now i run a bluefin remap, on the same car, it still has its original injectors etc

 

I ran a DTUK digital box, with a custom remote adjustor (to turn the "juice" up/ down) it was set up/ optimised on track, to get the maximum acceleration times (in gear/ 0-60/0-100 etc) but without putting the injectors/ pumps etc under undue stress

 

 

The bluefin remap is on its 3rd revision, "customised" by Superchips, the original had a lot less bottom end power/ torque compared to the tuning box, but more top end power/ revs, Superchips were very helpful, and now with the 3rd revision- it has almost the same bottom end/ low lag as the tuning box but better power in the band/ at the top end - the car is really flying (plenty power for safe overtaking :) )  

      

Tuning boxes come in all "shapes and sizes" and prices, from £7 resistor "ebay specals" to £500 digital multi - map boxes

 

 

Ultimately a tuning box does the same thing as a remap - chucks more fuel in to make the car faster, you even get a type of map called a "tuning box remap" because it increases the fuel pressure like a tuning box remap

 

A "remmaper" may be a guy that knows nothing about cars/ tuning,  with a laptop, and some generic maps bought online that he sticks on the car, with no after sales if it all goes wrong, its been known that some cars would not even start after a "remap" or a "smokescreen" came out of the exhaust, or the car was slower than it was before, etc etc

 

There are obviously reputable remappers, with rolling roads/ dynos that have  good reputation and been around for years, of course 

 

Tuning boxes may connect to the fuel pressure rail, the MAF sensor, the MAP sensor or even the turbo boost actuator (one or more of these)

 

The cheap ones may be just a resistor with a couple of wires that connect to the MAF , the slightly-less-cheap are the same thing in a nicer box and the right connectors The expensive ones may have their own littile microprossers (computers) in them, and various programmable maps, they may be set up sepecifically for certain cars/ engines

 

So comparing a £7 tuning box to a £400/ £500 tuning box and generically referring to them as "tuning boxes" (they are not all the same) - Its a bit like saying "cars are rubbish" when someone shows you  brand new Mercedes S- class, because you used to own a rusty old Corsa and take the train now

 

Talking of Mercedes, Brabbus make tuning boxes for Mercedes, they are expensive and you can fit them to a new merc, and the car is still fully covered by its warrantee/ is fully insured etc, apparently  (a bit like Mountune/ Ford)   

artscot79

if im honest only dtuk was considered as a reputable supplier on other forums

Hassen

Thanks for all the information guys. I am in a similar situation having a choice between a remap and a tuning box. Leaning more and more towards a tuning box due to the ability to remove it when required and also before selling the car in the future. 

Autoremap here in Ireland offer tuning boxes and I think I am going to go for that. They also do remaps and that's where I was thinking of getting it. Reliable and recommended by others on the Bmw forums. I will post an update once I get it organised.

Resonance

I have had my tuning box installed now for few weeks and the setting used is quite moderate. My target with tuning box was lower diesel consumption and some increase in torgue/power in this order.

I have been quite satisfied with the results. The consumption is remarkably lower now (according to computer) and there is a clear boost in acceleration compared without box.

 

I will soon go for holiday trip about 2500 km's  that will be a good possibility to test the "real"  average fuel consumption.

 

I calculated that with my mileage 100% ROI (including the interest) will be achieved in less than 10 months.

FOCA

I have had my tuning box installed now for few weeks and the setting used is quite moderate. My target with tuning box was lower diesel consumption and some increase in torgue/power in this order.

I have been quite satisfied with the results. The consumption is remarkably lower now (according to computer) and there is a clear boost in acceleration compared without box.

 

I will soon go for holiday trip about 2500 km's  that will be a good possibility to test the "real"  average fuel consumption.

 

I calculated that with my mileage 100% ROI (including the interest) will be achieved in less than 10 months.

 

Thats exellent - it pays for itself by 10 months AND you get better acceleration!

Hassen

I have had my tuning box installed now for few weeks and the setting used is quite moderate. My target with tuning box was lower diesel consumption and some increase in torgue/power in this order.

I have been quite satisfied with the results. The consumption is remarkably lower now (according to computer) and there is a clear boost in acceleration compared without box.

 

I will soon go for holiday trip about 2500 km's  that will be a good possibility to test the "real"  average fuel consumption.

 

I calculated that with my mileage 100% ROI (including the interest) will be achieved in less than 10 months.

 

That is exactly what I was looking for. Where did you get the tuning box from and how much was it please?
Autoremap quoted me €275 for a tuning box that they get made in Germany. But other than having sold about 300 of them with no reported faults, I have no other information so far. I am one of those people that need to research a product loads before commiting to buy :P

Resonance

That is exactly what I was looking for. Where did you get the tuning box from and how much was it please?
Autoremap quoted me €275 for a tuning box that they get made in Germany. But other than having sold about 300 of them with no reported faults, I have no other information so far. I am one of those people that need to research a product loads before commiting to buy :P

 

Hi Hassen,

I tend to be quite analytical and calculate before any purchase (in my own opinion :D) of technical and all kind of gear.

 

The tuning box I do have is Racechip: http://www.racechip.de/en/chiptuning/ford/focus/2-da3/1-6-tdci-66kw/index.php 

the basic model which was 129€ . I am very happy with the technical service answering my questions promptly and when I asked about the installation they send me additional info material and even voluntarily told that my engine is one of most complicated one to install the box and asked if I still want to order!

 

I appreciated this kind of honesty and non-power sales attitude which finally convinced me about their product.

 

About my experience: Just came back from my holiday trip (about 2250 km) with 2 person and one week luggage, from Lapland (Finland) and I am very happy with the fuel economy and performance of engine now.

 

According the computer the average consuption was 3.9 l/100km and average speed 82 km/h (the winter speed limit in Finland is 80/100 km/h). That is about 0.8 l less per 100 km than before. I drove mainly with cruise set to 105-107 km/h with GPS and using Q-series M+S tyres (without studs). 

 

Difference in power was also remarkable especially when overtaking other cars. The acceleration with 4th gear from 80 to 120 km/h  was clearly improved and I consider that as better safety especially when overtaking 22-m trailers.

Hassen

Resonance, the box I got from Autoremap is from Race chip and is the basic one I think. It was an absolute nightmare to get to the common rail sensor plug. And even after getting to it and plugging in the box, the car didn't want to start. Do you have any pictures of how yours is all hooked up just in case I don't have it all in the right place? Once I took the box off, the car started no problem. The settings inside the box from the shop were B and 1 on the 2 dials. 

 

In either case, I have now to bring the car to Autoremap to get it all sorted out. Kinda annoyed, but didn't want to cause any harm to the engine by messing with it. This whole process was supposed to be a 10-15min job but with my car it's been really tough! You got the same engine as mine I think?

jeebowhite

Im looking at a DTUK box now, for the cost of a full tank of fuel (and a tad more) I could get about 25% more torque and performance, and between 4 - 6 mpg increase. I am strongly tempted, just got to think about insurance and talk the Mrs around...

Resonance

Hassen, you are right - installing the cables is a nightmare with this engine. I tried it couple of times myself but did not bother with that too long and took it to service station where it was installed, however even for the guy there is was not an easy task, took about 40 min. 

 

I suppose removing the battery and the battery box might help a bit providing more spacefor hands. The man in service station did not remove those and was really swetting with installation.

 

I dont have a photo of the setup right now, but the location of common rail sensor is "behind" the engine. (unfortunately this BB system does not allow me to add picture) After unplugged the cable it was easy to install according the instructions and check the operation with the led comnnector. If the led is lighten with ignition power on, then everything should be right.

 

After installation my car started just normally and I have not faced any kind of problems with the engine everything works fine. Maybe I just imagine but it sounds like engine is even more smoothly running idle.

I set the switches to D-1 (factory setting is B-1as you said) which is said to provide more power than factory setting, but still  moderate.

 

I can try to help, in case you need more info.

Hassen

Thanks Resonance for all the information. In the end, I went back to Autoremap and they will get more information from the manufacturer. Then install it on my car. Hopefully all will go well this time and I can get to have some fun. Ford ruining drivers fun as usual by making it extra difficult to get to the sensor. 

If not, then it's back to trying to get the car remapped. Never thought it would be this tough to get this done.

If you can get a picture of the wiring in your car, I would greatly appreciate it.

Thanks

Resonance

Unfortunately I am  away from my car whole week and, hence, not able to provide photo of the wiriing immediately.

I will try to take a photo asap I am back home. 

Anyway I wish you all the best with the installation as due to my experience it really make the difference you can notice.

 

I definitely agree with you about the ruining the drivers fun with the construction, or maybe we can blame the French engineers as the engine is PSA desing. ;)

Hassen

Thanks a million Resonance. Greatly appreciate it. I just hope it gets sorted out soon as it would be great to have a bit more poke from the engine :)
 

How does your engine feel with the box on board? Noticable difference? And any improvement in fuel consumption?

 

Resonance

Hi, 

see below what I wrote some time ago, how I feel about the engine after a holiday trip with the box installed.  I suppose that with summer tyres the fuel economy might even improve (if I am not too eager to use the pedal to enjoy the improved power)

 

We drove together with my friend (Peugeot 605 automate) "as a convoy" and he said that he had to really kick-down to follow me when taking over some slower cars



About my experience: Just came back from my holiday trip (about 2250 km) with 2 person and one week luggage, from Lapland (Finland) and I am very happy with the fuel economy and performance of engine now.

 

According the computer the average consuption was 3.9 l/100km and average speed 82 km/h (the winter speed limit in Finland is 80/100 km/h). That is about 0.8 l less per 100 km than before. I drove mainly with cruise set to 105-107 km/h with GPS and using Q-series M+S tyres (without studs). 

 

Difference in power was also remarkable especially when overtaking other cars. The acceleration with 4th gear from 80 to 120 km/h  was clearly improved and I consider that as better safety especially when overtaking 22-m trailers.

Hassen

Cheers for all the info Resonance. Will be trying once more tomorrow to get it fitted where I bought the tuning box from. If the box cannot be fitted, the car is getting remapped the same day at the same place. Either way, I am hoping for an improvement :)



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