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Jaguar Tuning box for X-Type 2.2 diesel

9578 Views 36 Replies 17 Participants Last post by  JimC64
Hi everyone. My father-in-law wants to buy a tuning box off ebay for £100. Its a pro-bitz with over drive.

http://item.mobileweb.ebay.co.uk/viewitem?itemId=260542734541

Has anyone tried this box before? Seems a bit cheap as people on the vectra forum i frequent use tuning boxes that are £200-300.
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As a ex-VVOC'er I got a 2nd hand one from eBay for £40 posted, the guy I got it from paid £60 new, so £100 doesn't sound far off the mark, thing I would say is there might be more 2.2d's on the road than 1.9 vectra/astra's ?
Well he's gone ahead and bought it. I'll be fitting it for him next week. i'll report back the final verdict if anyones interested?
I have a 2.2 so I'm interested, just don't pay any attention to the trip computer mpg after fitting.
Waking up this old thread. Ive just bought a TDI Tuning box for my 2.2 but not had dry enough weather to fit it yet . Anyone had experience of one of these ?
G
Don't use it - get a remap
Had a Diesel Express tuning box on mine for a few months, then got a remap done. Remap wins over tuning box.
Its just cost me £ 200. Are you suggesting i bin it ?
Its just cost me £ 200. Are you suggesting i bin it ?
Remaps can be cheaper option and better option.
Arre you suggesting i bin something i have just spent £ 200 on then ? Is this based on a careful comparison of the two methods or something you have heard in a pub ?
I would give it a good try for a few weeks first - I had one on my 2.0D for a while and it certainly went a lot better and added about 5 mpg.

Be aware though that they can give the injectors a harder time - remaps probably do as well, so if yours are getting on a bit it they might fail earlier, I was concerned about mine so I removed the box and sold it on.

If I keep the car I will probably replace all injectors (one has been replaced as it was totally kippered), and then decide on a remap or tuning box - the latter are useful as they can be removed very easily, remaps may (will ?) need to be done again if you get any other ECU programming done.
Arre you suggesting i bin something i have just spent £ 200 on then ? Is this based on a careful comparison of the two methods or something you have heard in a pub ?
Most experienced members on here (and other car forums) seem to recommend a remap over a tuning box, which in some cases can apparently do more harm than good. But, as ever on the internet, opinions vary. Have a look at this link:

Diesel tuning boxes - PistonHeads
G
Not suggesting you bin it as someone will buy it - I am saying I wouldn't use one
The tuning boxes generally just hold the injectors open for slightly longer.

A remap retunes the engine over its entire operating range.

Bit of a no brainer really.
Is this based on a careful comparison of the two methods or something you have heard in a pub ?
As in post #7
Waking up this old thread. Ive just bought a TDI Tuning box for my 2.2 but not had dry enough weather to fit it yet . Anyone had experience of one of these ?
You ask a question, and then complain about the answers. Some people are saying they wouldnt have got a tuning box, they would get a remap.

As you already have it, you might as well try it and see how you get on.

Personally, I've been thinking about a tuning box or a remap, and will be getting a remap.
Tuning box for x-type 2.2 diesel

why ask for everyones opinion after the fact? they gave OP the opinion, that its better to get a remap, then he complains and keeps ranting that patrons of the forum are suggesting he bin it.
This is whats wrong with society, ungrateful and rude.
Had Pro-Bitz tuning box on previous 2.0D ran okay (now on wives 2.0D and running fine) Paid £115 at the time for the box

Had Diesel Express tuning box on 2.2D( , Then took it off and got it remapped. Paid £80 for this box and resold on fleabay for £40

Remap loads better than tuning box.

Simples

Sell, use or bin it, that`s your option
G
Why not give the guy a break and explain why a remap is better than a tuning box.
A tuning box is basically an adjustable generic map, where each adjustable stage has its own set parameters.
A remap is a car specific map, where the map is optimised for the specific engine that's been worked on. This allows for better power and torque curves through the rev range, which means the engine revs more freely while giving much more fluid power delivery.
A remap can be done on a rolling road to get the maximum gains from the engine and gearbox.
Professional car tuners use a rolling road remap which tells you all you should need to know ;-).
Why not give the guy a break and explain why a remap is better than a tuning box.
A tuning box is basically an adjustable generic map, where each adjustable stage has its own set parameters.
A remap is a car specific map, where the map is optimised for the specific engine that's been worked on. This allows for better power and torque curves through the rev range, which means the engine revs more freely while giving much more fluid power delivery.
A remap can be done on a rolling road to get the maximum gains from the engine and gearbox.
Professional car tuners use a rolling road remap which tells you all you should need to know ;-).
Exactly what I said in Post #14.
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