Installation :
Total time to install was around 10 minutes. Most of which was spent hunting my tool cupboard for some side cutters for the cable ties.
The engine cover was removed, the Fuel Rail and Boost pressure sensor connectors were identified and the CRD-T+ Loom was attached.
The loom was routed through existing wiring to make tidy and the CRD-T+ was located on the arch liner of the passenger wheel-arch. Cable ties and clever routing of the main connector ensure this is secure and easily accessible.
Performance Improvement :
(This information was posted elsewhere, so apologies but I thought it best to include it in this review)
Using VCDS I have performed some logging, with results as below :
Run 1, Run 2 and Run 3 were all performed on near flat surfaces.
Run 3 is the reverse of Run 1
Run 2 is slightly more inclined, hence why Run 2 is always the longest.
Each run was always started in the same position and repeated in each configuration.
Rpm was held at approx. 1900rpm then WOT (Wide Open Throttle) applied. Results were then read off from 2000rpm.
DTUK setting P1 +3 was noticeably better then P3 -2.
Not only proven in the captured results but even noticeable by the road position at which point the desired rpm was reached and upshift was required.
I'm not sure what the difference to the setting -3 thru' +3 make, but my guess would be more or longer held boost targets.
A few days later :
Since the initials controlled test I have been trying all the CRD-T+ P1, P2, P3 settings and running them all in the +3 configuration. At the moment and due to no controlled conditions I am struggling to feel the difference between them. Perhaps P1 +3 is slightly less responsive at light throttle. I really need to set up a controlled test say at 40% throttle increasing to 75% throttle.
However, I do have a DTUK Pedalbox also fitted (see other review : http://www.audi-sport.net/xf/threads/dtuk-pedal-box.254960/), so perhaps this is masking out some of the low down effect of the CRD-T+ box.
I will try running the CRD-T+ box with the Pedalbox turned off to see if that makes the CDR-T+ settings more noticeable. However, I really can't see me running with the Pedalbox off for long, as the light throttle and fast turbo spool times make it feel like a totally rejuvenated car and how a turbo car should behave (not all this linear, lets make it feel like a Non-Turbo OE type mapping).
I was running the Pedalbox on 'SportPlus' mode, but since fitting the CRD-T+ I have reigned this back to 'Sport -3' setting, as the pedal became a little too sensitive when cruising. SportPlus mode is great for nipping about town though.
Overall :
The improvement from the stock 190PS is noticeable. The car pulls a lot stronger through to 4000-4500 rpm and you no longer feel the need to grab the next gear at 3800rpm.
Torque is much improved as the traction control light, on a Quattro, has made it's first appearance since owning the car.
So far no EML lights on any of the settings.
With the Pedalbox also fitted the responsiveness is much improved to a point of being over-responsive if set on the SportPlus setting.
There is no longer the need to mash the throttle into the carpet to make swift progress. Speed can be attained in a much more relaxed manner.
You can actually feel the turbo working rather then assume it's working in amongst all the diesel engine tractor clatter.
Launching off a roundabout is a lot more fun (Quattro remember !!!!).
Pulling spiritedly out of a T-Junction becomes easier as you do not have to grab the next gear quite so quickly.
Performing an over-take is much more like driving a petrol, being able to hold the revs then floor it through to 4600rpm.
I am very happy in the manner in which both these product have transformed the car. My only concern is 'Why did I have to do this on a £37000 car'. Or is that just a subliminal message from my wife ????
Thanks for reading & I would appreciate any comments or your own opinions/views on this product.
Total time to install was around 10 minutes. Most of which was spent hunting my tool cupboard for some side cutters for the cable ties.
The engine cover was removed, the Fuel Rail and Boost pressure sensor connectors were identified and the CRD-T+ Loom was attached.
The loom was routed through existing wiring to make tidy and the CRD-T+ was located on the arch liner of the passenger wheel-arch. Cable ties and clever routing of the main connector ensure this is secure and easily accessible.
Performance Improvement :
(This information was posted elsewhere, so apologies but I thought it best to include it in this review)
Using VCDS I have performed some logging, with results as below :
Run 1, Run 2 and Run 3 were all performed on near flat surfaces.
Run 3 is the reverse of Run 1
Run 2 is slightly more inclined, hence why Run 2 is always the longest.
Each run was always started in the same position and repeated in each configuration.
Rpm was held at approx. 1900rpm then WOT (Wide Open Throttle) applied. Results were then read off from 2000rpm.
DTUK setting P1 +3 was noticeably better then P3 -2.
Not only proven in the captured results but even noticeable by the road position at which point the desired rpm was reached and upshift was required.
I'm not sure what the difference to the setting -3 thru' +3 make, but my guess would be more or longer held boost targets.
A few days later :
Since the initials controlled test I have been trying all the CRD-T+ P1, P2, P3 settings and running them all in the +3 configuration. At the moment and due to no controlled conditions I am struggling to feel the difference between them. Perhaps P1 +3 is slightly less responsive at light throttle. I really need to set up a controlled test say at 40% throttle increasing to 75% throttle.
However, I do have a DTUK Pedalbox also fitted (see other review : http://www.audi-sport.net/xf/threads/dtuk-pedal-box.254960/), so perhaps this is masking out some of the low down effect of the CRD-T+ box.
I will try running the CRD-T+ box with the Pedalbox turned off to see if that makes the CDR-T+ settings more noticeable. However, I really can't see me running with the Pedalbox off for long, as the light throttle and fast turbo spool times make it feel like a totally rejuvenated car and how a turbo car should behave (not all this linear, lets make it feel like a Non-Turbo OE type mapping).
I was running the Pedalbox on 'SportPlus' mode, but since fitting the CRD-T+ I have reigned this back to 'Sport -3' setting, as the pedal became a little too sensitive when cruising. SportPlus mode is great for nipping about town though.
Overall :
The improvement from the stock 190PS is noticeable. The car pulls a lot stronger through to 4000-4500 rpm and you no longer feel the need to grab the next gear at 3800rpm.
Torque is much improved as the traction control light, on a Quattro, has made it's first appearance since owning the car.
So far no EML lights on any of the settings.
With the Pedalbox also fitted the responsiveness is much improved to a point of being over-responsive if set on the SportPlus setting.
There is no longer the need to mash the throttle into the carpet to make swift progress. Speed can be attained in a much more relaxed manner.
You can actually feel the turbo working rather then assume it's working in amongst all the diesel engine tractor clatter.
Launching off a roundabout is a lot more fun (Quattro remember !!!!).
Pulling spiritedly out of a T-Junction becomes easier as you do not have to grab the next gear quite so quickly.
Performing an over-take is much more like driving a petrol, being able to hold the revs then floor it through to 4600rpm.
I am very happy in the manner in which both these product have transformed the car. My only concern is 'Why did I have to do this on a £37000 car'. Or is that just a subliminal message from my wife ????
Thanks for reading & I would appreciate any comments or your own opinions/views on this product.
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