mk3 escort cabbie turbo

Someone give me an idea what a mk3 escort cabbie no tax an test has rs engine and bodykit runs only puffs a small bit of smoke when coming of boost its got a bit of history with it but the bloke who built it is not the person I would be buying off......
I would love to buy it to resto it but dont want to pay over the odds as I no cvh turbos can be money pits
I would love to buy it to resto it but dont want to pay over the odds as I no cvh turbos can be money pits