exactly what i was tryin to get at!!!
get this shopping list for your vr, it'll still probably be cheaper, and you won't be dissappoited....
corrado throttle body,
schrik vsr inlet manifold,
torque biasing diff,
gemini six speed conversion with custom ratios (as opposed to one with normal ratio's but a longer 6th gear).
obviously you can do a lot to the suspension and brakes to get the most out of it, but you'll be having scooby's with the above...but it will cost about £4k!!