MK6 Fiesta ST150....Future Classic?
Discussion
Restricted intake and exhaust by design, in essence, so you'd want
- a cold air induction kit to remove the worst of the induction restriction, and possibly a 60mm throttle body instead of the standard 55mm one
- a larger flexi pipe in the downpipe as a bare minimum, and preferably a less restrictive exhaust system
which would put the car around 170-180bhp remapped - same ballpark as a Clio.
From there if I recall correctly, you'd then change the exhaust manifold to a free flowing 4 branch to see a bit more gain, the intake manifold to a Cosworth or Mountune one, reputedly 190-200bhp, and then it's cams and head porting if you wanted to go further. The intake manifolds stop making sense a bit over 200bhp at which point you'd be on ITBs and standalone ECU and well and truly in the world of diminishing returns.
You will need to remap, so it's probably best to pick your budget and the parts needed, fit em all, get it remapped, and try to be happy with that in the knowledge that you'd get more power but have to spend an awful lot more too.
Ultimately it's a 2.0 16v engine built for volume production and emissions compliance, but so are the equivalent engines in Renaults; the Duratec isn't a bad engine so it's very likely you'll get similar results from the Ford engine by paying attention to the air intake and exhaust flexi which are the main areas where the 150bhp power target was designed in.
- a cold air induction kit to remove the worst of the induction restriction, and possibly a 60mm throttle body instead of the standard 55mm one
- a larger flexi pipe in the downpipe as a bare minimum, and preferably a less restrictive exhaust system
which would put the car around 170-180bhp remapped - same ballpark as a Clio.
From there if I recall correctly, you'd then change the exhaust manifold to a free flowing 4 branch to see a bit more gain, the intake manifold to a Cosworth or Mountune one, reputedly 190-200bhp, and then it's cams and head porting if you wanted to go further. The intake manifolds stop making sense a bit over 200bhp at which point you'd be on ITBs and standalone ECU and well and truly in the world of diminishing returns.
You will need to remap, so it's probably best to pick your budget and the parts needed, fit em all, get it remapped, and try to be happy with that in the knowledge that you'd get more power but have to spend an awful lot more too.
Ultimately it's a 2.0 16v engine built for volume production and emissions compliance, but so are the equivalent engines in Renaults; the Duratec isn't a bad engine so it's very likely you'll get similar results from the Ford engine by paying attention to the air intake and exhaust flexi which are the main areas where the 150bhp power target was designed in.
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