im toying with the idea of building a n/a 2.0 zvh next winter for my mk3 xr3i as i want to keep under the bonnet looking as stock as possible as would like to display it at some classic car shows etc, what power do you recken can be got from one of these would like to see 150bhp maye with a decent cam and bigvalve/gas flowed head .anyone been down this road before??