Sounds like fun!.A friend has is just about to finish his high compression 2.8 block for his 4i which should be interesting..
A few details on my cars can be found here!
http://www.xrsouthern.co.uk/profiles/scooby.htm
I think the 2 litre pinto was about 125BHP as standard so you should easily get into the 150-200 bracket..