I've just found this very interesting website about the modified engine and suspension kit that Danielson sold for the 505 STI (note they got 135hp with over 190Nm of torque at just 3000rpm, as opposed to 3500rpm and 4250rpm for the stock STI and GTI respectively):
<a href="http://membres.lycos.fr/cit43/Autoshorsserie_2/Peugeot_505_Danielson.htm" target="_blank">http://membres.lycos.fr/cit43/Autoshorsserie_2/Peugeot_505_Danielson.htm</a>
<small>[ 06 July 2002, 10:14 PM: Message edited by: fiveohs ]</small>
<a href="http://membres.lycos.fr/cit43/Autoshorsserie_2/Peugeot_505_Danielson.htm" target="_blank">http://membres.lycos.fr/cit43/Autoshorsserie_2/Peugeot_505_Danielson.htm</a>
<small>[ 06 July 2002, 10:14 PM: Message edited by: fiveohs ]</small>