I've 1 of the large Golden 100 watt Cooling fan resistors. left over from my Fan rebuild some months back .
Not done any mods like jules does .. no holes drilled but 2 wires ( about 18in) soldered on .
If of use to anyone . £ 8.50 delivered
Got one for Me , Then one for her, and now a big one for me again, All BLOO! Well saves on the touch up paint, Now Number one son's Spoilt it all by getting a Firefrost 1.8T