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Old 10-01-2017   #1
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Are people still using tuning boxes jtd 8v?

Hi guys,

Read into this many moons ago with our first jtd. Have they stood the test of time? I know the potential issues, clutch etc
I am interested in both potentially better fuel economy and some raised power.

There are many new boxes from Germany around 40-50 mark. Anyone's used one?

Hopefully will be blanking egr aswell this weekend.

Here's one.
http://www.ebay.co.uk/itm/PERFORMANC...0AAOSweW5VXKPp

Thanks guys.
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Last edited by coupedummy; 10-01-2017 at 18:39.
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Old 17-01-2017   #2
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Re: Are people still using tuning boxes jtd 8v?

fake

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Old 17-01-2017   #3
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Re: Are people still using tuning boxes jtd 8v?

I would say helpful but not really I think? The cheaper boxes possibly are crap for sure but historically I have read here/Alfa owners of increases in power and economy with plug in boxes?

Is no-one using one now? Many moved on to remaps?
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Last edited by coupedummy; 17-01-2017 at 03:03.
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Old 17-01-2017   #4
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Re: Are people still using tuning boxes jtd 8v?

What's it do and how's it work then?


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Old 17-01-2017   #5
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Re: Are people still using tuning boxes jtd 8v?

Fair enough, more fuel burnt for sure.

Still not one person using a box anymore and how they getting on long term?
Lots and lots of thread over the years, maybe owners have just moved on I suppose.
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Old 17-01-2017   #6
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Re: Are people still using tuning boxes jtd 8v?

I researched for the best part of 6 months, before I went for the box I finally opted for (its now in the classifieds section). I got it for my 1.9 JTD Dynamic, and it made fantastic improvements accross the board. The only reason I removed it was because I sold the car on and got the Schummy. After all the research, I knew I had to go for UK made and no expense spared, top of the range, because there is a world of cheap crap boxes out there. I liked the fact that I was able to fit myself within minutes, detach it when I wanted or needed, mot etc, and when I did, it simply returned to factory spec automatically. If I could have got another one for the Schummy I would, there wasn't an option then, but I have seen the same firm 'bluespark' are doing petrol units now
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Last edited by schummy027; 17-01-2017 at 13:12.
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Old 17-01-2017   #7
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Quote Originally Posted by Ralf S. View Post
What's it do and how's it work then?


Ralf S.
https://en.m.wikipedia.org/wiki/Chip_tuning
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Old 18-01-2017   #8
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Re: Are people still using tuning boxes jtd 8v?

I've seen them used but never used one myself. They're generally fairly crude devices. I have to admit they do offer some gains in power but I wouldn't go as far as to call it improvement. They typically made outlandish and unrealistic claims of improvement that were never truly revealed in the real world. Remember the flashy websites and ebay adds full of shiny cars and half naked women sprouting claims of "up to" 20, 30% gains in power and economy. Realistically you'd never get close to that.

People grow wise quite quickly to that kind of propaganda and quickly came to distrust them as a result, even though there were some products out there much better than others.

The world moved on since then and the remapping industry has grown exponentially since as the eco and diesel market boomed in the UK and people quickly realised there were good gains in power and economy available on diesel and turbo petrol vehicles. The remapping world always seemed to be better at delivering on performance promises and it was more accepted that you'd want rolling road / dyno figures for your remap - so people could quantify what they were getting for their money. Of course with the market being flooded with new competition remapping at the same time become a lot cheaper.

I remember back in the day you'd expect to pay 500-600 for a dyno remapping session. These days I know I can get a 2wd remap and dyno locally for around 150. So people simply go with the remap as it'll likely deliver better proven gains.
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Old 18-01-2017   #9
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Re: Are people still using tuning boxes jtd 8v?

Quote Originally Posted by schummy027 View Post


These add on boxes are NOT chip tuning. They just overfuel the engine. Chip tuning was how remapping was done before ECUs had re-programmable memory.
If you must do it get a remap.


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Old 18-01-2017   #10
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Re: Are people still using tuning boxes jtd 8v?

Quote Originally Posted by g8rpi View Post
These add on boxes are NOT chip tuning. They just overfuel the engine. Chip tuning was how remapping was done before ECUs had re-programmable memory.
If you must do it get a remap.


Robert G8RPI.

This^^^ I can't really add anything else.
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Old 20-01-2017   #11
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Re: Are people still using tuning boxes jtd 8v?

Thanks for that guys. Remap Certainly seems the way to go. Will look into it.
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Old 23-01-2017   #12
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Re: Are people still using tuning boxes jtd 8v?

There is some good tuning boxes but at 40 - 60 don't bother.

Expect to pay about 150 for a decent quality tuning box.
There is a company on here that trades them and there is some very good reviews, proof and feedback.

Go hunting in 500, Bravo and many other forums.
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Old 23-01-2017   #13
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Quote Originally Posted by dtimmins1985 View Post
There is some good tuning boxes but at 40 - 60 don't bother.

Expect to pay about 150 for a decent quality tuning box.
There is a company on here that trades them and there is some very good reviews, proof and feedback.

Go hunting in 500, Bravo and many other forums.
Was waiting for someone else to back up my advice and experience.....pretty much duplicated what I said ;0)
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Old 24-01-2017   #14
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Re: Are people still using tuning boxes jtd 8v?

Quote Originally Posted by schummy027 View Post
Was waiting for someone else to back up my advice and experience.....pretty much duplicated what I said ;0)


Sorry but that unit is NOT chip tuning. The basic blue spark just alters the signal from the fuel rail pressure sensor so that the ECU thinks the pressure is low and increases it. You can tell this from the connection diagram. This puts stress on the pump injectors and pipework. and upset the mixture management and fuel consumption calculations. The correct way to increase fuelling is to open the injectors for longer, this is what a good re-map will do. The boost increaser will do a similar thing to the boost pressure signal, presumably with no co-ordination. Paying a higher price does not change how these things basically work (you might get a microprocessor that has more than one setting or at most monitor RPM and turn the pressure down at low rpm), all it can do is increase the fuel pressure.
For the money you could have got a generic re-map or possibly even a custom one.


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Old 24-01-2017   #15
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Re: Are people still using tuning boxes jtd 8v?

Sorry but I've used both chip, on the JTD, and map on the Schumacher, and they were equally matched in performance, so I disagree with your firm opinion that all chips are basically crap because they are not, they are popular, and they do work. Just like low rate cheap chips, there are equally just as many low rate and cheap mapping services out there, so you do get what you pay for, but there is a choice!
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