£5k will buy you alot of Subaru these days and insurance needn't be a nightmare. On Scoobynet there's guy called Gary Moulson that posts as Moleywrx and he works for Keith Michaels and will insure just about anything, he even insures my Cosworth

The main problems seem to be caused by detonation by either a shit grade of fuel or high speed runs where the air goes over the intercooler scoop rather than through it. Classic Jap imports are supposed to run 100ron fuel and some muppets think that sticking in 95 is enough A remapped chip can soon sort that though