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Old 25-01-2017   #16
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Re: Are people still using tuning boxes jtd 8v?

Quote Originally Posted by schummy027 View Post
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!
Hi,
First define what you mean by "chip" tuning.
To me "chip" tuning is were the ECU is opened up and a new memory IC (chip) is fitted. This alters the progamming or map of the ECU. It is just a physical form of introducing a new map. It is not common now because ECUs have re-writable memory that allows the map to be changed without opening the ECU. What you (and the OP) are describing is "box" tuning where a module or other component is fitted between a sensor and the ECU. The box alters the signal so the ECU thinks the fuel pressure, boost pressure, mass airflow or whatever is different to what it actually is. No matter what the quality or how much you pay, altering the signals from sensors is never going to be as effective as changing the actual map and ECU settings. Ideally you want a custom map set-up for your car but this takes time on proper rolling road.
You paid nearly 300 for a box, but have no independent verifiable evidence that it does what it says. The Bluespark pro boxes are slightly better than most as they do (supposedly) monitor the RPM so presumably they don't overfuel at idle and may even have some finer control. It's still not the right way to do it though and a lot of money for a loom, PIC or Atmel microprocessor and an extruded alloy box. A decent re-map is better in all respects.

Robert G8RPI.
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Old 25-01-2017   #17
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Re: Are people still using tuning boxes jtd 8v?

Hi

I am defining box/s as chip/ chips which is the question that started the thread.

I fitted and used the Bluespark tuning box/ chip on the 1.9 JTD 115 Dynamic, and it worked. It was soon after confirmed in a rolling road power run, that it was doing exactly what it claimed, power run was as would be expected following a full remapp, not my words, the dyno tech's! As far as I am concerned great bits of kit that work. I was able to make better use of the various adjustment settings on the dyno run, in order to maximise torque and throttle response, as I originally had it on fuel efficiency over power setting, which worked, but I wanted more power!

With the Schumacher, I went for a full K&N intake system and filter, set up on full dyno rolling road, along with a full ecu remapp.

So, I have done both and I can honestly say that the difference between the chip (BOX) and the full on, all singing all dancing rolling road remapp was minimal and I for one would defo fit another bluespark chip to a jtd.
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Last edited by schummy027; 26-01-2017 at 00:53.
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Old 26-01-2017   #18
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Re: Are people still using tuning boxes jtd 8v?

Quote Originally Posted by schummy027 View Post
Hi

I am defining box/s as chip/ chips which is the question that started the thread.

I fitted and used the Bluespark tuning box/ chip on the 1.9 JTD 115 Dynamic, and it worked. It was soon after confirmed in a rolling road power run, that it was doing exactly what it claimed, power run was as would be expected following a full remapp, not my words, the dyno tech's! As far as I am concerned great bits of kit that work. I was able to make better use of the various adjustment settings on the dyno run, in order to maximise torque and throttle response, as I originally had it on fuel efficiency over power setting, which worked, but I wanted more power!

With the Schumacher, I went for a full K&N intake system and filter, set up on full dyno rolling road, along with a full ecu remapp.

So, I have done both and I can honestly say that the difference between the chip (BOX) and the full on, all singing all dancing rolling road remapp was minimal and I for one would defo fit another bluespark chip to a jtd.
OK,
1/ The OP never mentioned chips, just boxes. I'll say it again, a "box" is not "chip tuning"
2/ Just because a box produces more power, does not mean it is correct or the best solution. Increased fuel pressure and other issues can cause engine damage.
3/ So you are comparing a box on a 1.9 JTD to a remap on a performance petrol engine car with intake modifications to decide that boxes are just as good? This does nothing for the credibility of your argument. There would have been little gain to be had with the Schumacher whereas any diesel will give more power if you pour more fuel and air into it.


So you paid nearly 300 for a box but still set it up on a rolling road, A remap would have been cheaper and easier


Robert G8RPI.
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Old 26-01-2017   #19
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Quote Originally Posted by g8rpi View Post
OK,
1/ The OP never mentioned chips, just boxes. I'll say it again, a "box" is not "chip tuning"
2/ Just because a box produces more power, does not mean it is correct or the best solution. Increased fuel pressure and other issues can cause engine damage.
3/ So you are comparing a box on a 1.9 JTD to a remap on a performance petrol engine car with intake modifications to decide that boxes are just as good? This does nothing for the credibility of your argument. There would have been little gain to be had with the Schumacher whereas any diesel will give more power if you pour more fuel and air into it.


So you paid nearly 300 for a box but still set it up on a rolling road, A remap would have been cheaper and easier


Robert G8RPI.
1/ I didn't set anything up on the rolling road, it was a 'power run'. I simply changed to another setting on the Not Chip Tuning BOX, and then simply confirmed the difference on the 'power run'.

2/ There was plenty of good gain on remapping the Schumacher.

3/ Please don't ask me to define 'good gain' on the Schumacher, because I really can't be assed, best to agree to disagree on this particular subject.
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Old 26-01-2017   #20
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Re: Are people still using tuning boxes jtd 8v?

Quote Originally Posted by coupedummy View Post
Thanks for that guys. Remap Certainly seems the way to go. Will look into it.
Seems the OP has already made his choice, so I think this thread has run its course now
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