Originally Posted by smitsturbo
a silver top 2.0 zetec engine
an 1800 zetec sump & flywheel
a focus rs exhaust manifold
fiesta turbo management
a rebore to 86 mm & some vauxhall LET pistons
a t3 turbo
i would say that would be the cheepest, or instead of going for them pistons you could use a decompression plate or get the standard pistons skimmed down

Totally agree with that, and a standard 1.8 Zetec inlet too, they are more than capable.