Originally Posted by
MJ_RST
Thats the expensive route.
For cheap reliable power, the st170 standard bottom end is great. 300+ bhp without spending rakes on pistons and rods. Ok uprated bolts, lower comp gaskets, OFAB ecu+loom, (megasquirt, gotech) FRST inlet, T3 manifold/Focus rs manifold.
thats 300bhp on a relatively low budget.
This is dragging up and older post, but why the hell would you fit a FRST inlet manifold to an ST170 engine when it has a perfectly reasonable manifold from the factory? Or use the standard Focus 1.8/2.0 manifold if you prefer.
When factory Zetec inlets will work perfectly well, I can't understand why anyone would bodge on a manifold designed for a completely different engine, and yet people still seem to endlessly do it.