« Reply #96 on: 23 December 2011, 16:35 »
I have to agree, the peak numbers aren't that important in a road car, you want tractability, temprament and smoothness.
The shape of the graph is far more important than the headline figues. Doc put up a map of a mk6 GTI he mapped and the figures weren't dramatic in themselves but the actual shape of the graph plot shows that the car would be far more potent in cut and thrust driving than the rather limp standard mapping. The owners response confirmed this.
Track day cars are another matter altogether, but I still think you're far better off starting with a K04 engine'd car in the first place if that's going to be your aim thanks to it producing power continuously far higher up the rev range. The trade off with the K04 is fuel economy and low end response.
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‘25 8.5R, ‘23 8R, ‘20 8CS, ‘19 135iX, ‘19 TCR, ‘17 Ed40, ‘17 GTD, ‘15 7R, ‘13 GTI PP, ‘11 GTI, ‘09 GTI, ‘98 Ibiza Cupra, ‘05 GTI, ‘06 Polo GTI, ‘04 GT TDI, ‘05 Fabia vRS, ‘02 GTI T, ‘03 Ibiza TDI 130, ‘01 Leon 180, ‘89 mk2 16v, ‘99 Ibiza TDI, ‘96 VR6, ‘98 Ibiza TDI, ‘92 VR6, ‘88 mk2 8v, ‘92 Polo G40, ‘91 mk2 8v, ‘89 mk2 8v, 205 GTI 1.9, ‘83 mk1 GTI, ‘80 Scirocco GTI, plus some others I’ve forgotten
