24-09-2014, 09:40 AM
It would be quite easy to increase pressure (spring) or flow (gearing) using parts from other XU engines, but the question as above would be why and what you're looking to achieve?
1990 Peugeot 205 GTi 1.9 // 1991 Peugeot 205 GTi 1.9 16v // 1992 Peugeot 205 GTi 1.9 // 1999 Peugeot 306 HDi Estate