Popular tuning boxes vs proper tune (2.0TDI content)

[Lucas_R]

Interesting comparison with 4x popular tuning boxes vs a custom remap done by Darkside Developments in the UK.

Car tested is a Audi A4 with a 2.0TDI (150hp / 110kw model).

Interesting responses (or lack of) from the tuning box companies too when questioned about their products performance.

I must admit I had a think about using a tuning box on my SQ5, but glad (especially after watching this) to have gone for a proper remap.

What are your experiences/thoughts?

Note: In the UK their dyno's measure crank power, not at the wheels like we use here in Australia. Crank power is always going to be higher than power at the wheels.

[tigger73]

Quite interesting and also would have been better if they could have logged the actual rail pressure. That would have been an eye opener.


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[Ivo]

Very interesting, and confirms what a lot of the dyno remap guys say. Spend a little extra and get it done properly.

My mate has 2013 Multivan 132kw with 2 plug in devices, 1 on his accelerator pedal and the other goes somewhere in the fuel rail harness.

We found ourseleves on a private road the other evening so we had an acceleration assessment . I was in my 2014 Multivan 132kw with Pendle tune, by the time we were doing 110kmh he was a good 100m behind me.

We were talking on hands free the during this and after....he and I were shocked at how quick I pulled away!

Ulimate truth would come from a dyno printout but short of that this will have to do.