Thread Starter
#21
That’s a beautiful looking ST150! Welcome to the forum.
Since you’re in GB, Pumaspeed does appear to have reasonably good aftermarket support for the ST150.
I’d say with that kind of mileage, you’re on the right track with updating the suspension. However, with the knowledge that the Mk6 suspension running gear is actually quite similar to the Mk7 and Mk8, unless you really like the look of the car lowered, the Eibachs are generally not an actual performance improvement, and are designed as an upgrade to the base model fiesta. If you like the handling now, consider installing the Bilsteins but retaining the original ST150 springs.
The one thing suspiciously absent from Pumaspeed’s catalog is sway bars (aka anti-roll bars) which I’d do before (possibly instead of) changing the springs, which don’t really wear out like the shocks do. Sway bars for the Mk6 can be had from DNA, Ultra Racing or Corksport and provide a noticable performance improvement. That said, the Mk7 uses identical sway bars, so you can use those as well (I actually have a UR Mk6 front sway bar on my USA car, which is essentially comparable to a 5-door Mk7.5 ST180. Start with just the rear bar and see if you like it, as the front bar is a big job to replace.
Not as familiar with the mk6 gearbox which is the IB5 similar to the earlier focus, but the cable swap is a good first step, as the UK cars (at least the ST180) for some reason do not have a center adjustment like the US cars and have to be replaced if they eventually stretch out.
Since you’re in GB, Pumaspeed does appear to have reasonably good aftermarket support for the ST150.
I’d say with that kind of mileage, you’re on the right track with updating the suspension. However, with the knowledge that the Mk6 suspension running gear is actually quite similar to the Mk7 and Mk8, unless you really like the look of the car lowered, the Eibachs are generally not an actual performance improvement, and are designed as an upgrade to the base model fiesta. If you like the handling now, consider installing the Bilsteins but retaining the original ST150 springs.
The one thing suspiciously absent from Pumaspeed’s catalog is sway bars (aka anti-roll bars) which I’d do before (possibly instead of) changing the springs, which don’t really wear out like the shocks do. Sway bars for the Mk6 can be had from DNA, Ultra Racing or Corksport and provide a noticable performance improvement. That said, the Mk7 uses identical sway bars, so you can use those as well (I actually have a UR Mk6 front sway bar on my USA car, which is essentially comparable to a 5-door Mk7.5 ST180. Start with just the rear bar and see if you like it, as the front bar is a big job to replace.
Not as familiar with the mk6 gearbox which is the IB5 similar to the earlier focus, but the cable swap is a good first step, as the UK cars (at least the ST180) for some reason do not have a center adjustment like the US cars and have to be replaced if they eventually stretch out.