r/FiestaST

Lia Block 2026
▲ 1.3k r/FiestaST+2 crossposts

Lia Block 2026

Having completed 2 years in F1 Academy she has left circuit racing and returned to rallying.

She was leading her first rally back by 3 minutes until a mechanical fault on the car dropped her to 3rd.

So far, she has backed this up with another 3rd place in her 2nd rally.

A pretty strong return so far, It will be fun to see If she can reach an international level.

And maybe race Pikes Peak for real.

u/Witty_Error_1877 — 1 day ago

Stock Fist here, daily at that! Need a safe tune but I want some extra power…. Dizzy tune right?

u/Fun_Cry_3302 — 21 hours ago

Is that part able to be taken off without taking off the whole bumper ?

Hi, all is in the title!

I tried myself but it doesn't seem to move at all or being able to be detached without taking down the whole bumper, anyone can confirm or am I being too soft with it?

u/Ok_Classic_5802 — 1 day ago

Wing Mirrors Conversion

Wing Mirrors

I’m looking to convert my US-spec 2019 Ford Fiesta ST to European-spec wing mirrors with power-folding, heated, and puddle lights. I’ve hit the point where I need to source the correct driver and passenger-side door modules to make the magic happen. I have mostly been researching this online and using AI tools to cross-reference parts, so I could be off on a few details—any corrections or help would be much appreciated.

From my research, the US-spec uses a "dumb" circuit (Power → Switch → Mirror), whereas the Euro-spec uses a more sophisticated logic (Power → Door Module → Switch → Mirror). This module enables the mirrors to auto-fold when the car is locked.

I am specifically hunting for "High Series" modules. I know the middle P/N is 14B531 (Driver) and 14B533 (Passenger), but I need the High Series versions that usually end in -E_ or -F_ (e.g., -EB, -EC, -FB). These were typically pulled from 2014–2017 European Titanium or ST-3 models. You can spot them by the pin count—the High Series has pins 7, 8, 9, and 10 populated to provide power to the folding motors.

A few questions for the group:

  1. Does anyone have a lead on where to source these specific "High Series" modules?

  2. For those who have tackled this swap, did you run into any hidden hurdles with the harness or Forscan programming?

  3. I’ve already sourced the folding wing mirror switch and a lead on the mirrors themselves, but I'd love any feedback on the module integration.

Any help or "lessons learned" from someone who’s done this state-side would be huge. Thanks!

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u/Automatic_Court3561 — 1 day ago

What mods should I do?

Guys I'm curious on what options I have for mods that aren't too crazy/expensive

I already have:

- MP215 tune

- open air intake

- RMM

- resonator delete

- muffler

- short shifter adapter

- aluminum shifter bushings

What's your guys recommendations

reddit.com

Well I finally pulled trigger. Now we wait impatiently.

u/ryydtf — 2 days ago

Took a trip to Mexico.

This was filmed in Mexico. Ran my fist against a scat a few days ago and this was the result, which seems kind of strange considering that I beat mustang 5.0’s a lot. Now this guy said he was flashed but just a basic one so either way i probably would have lost. To rub it in even more I ran another completely stock scat later in Mexico and lost by about a car length.

Car is full bolt on including ported exhaust manifold and big turbo however I was on 93. Figure I would have him by a bit if I was on e40 still.

u/Bitter-Process6823 — 3 days ago

Bean appreciation post.

Flicked my bean around the neighborhood. After a good washing, of course! Hope they don't mind!

u/DaYearZeroHero — 3 days ago

Purge Valve Advice (FOR YOU)

Listen, I’m mechanically inclined, been doing my own work basically my whole life. But anything to do with fuel has always given me a weird feeling when doing my own work for whatever reason, so needless to say I was less than motivated to actually do this fix myself. But hear me now, any of you who pay for the full Evap harness are WASTING your money. It was a 30 minute job MAX. Learn yourself something and make any future valve change outs that much easier! It really is that simple!! Dropping the full list of links you need to do this job yourself.

HOUSUN Fuel Line 3/8 Inch ID,... https://www.amazon.com/dp/B0CRZFL476?ref=ppx\_pop\_mob\_ap\_share

Motorcraft Vapor Canister Valve -... https://www.amazon.com/dp/B076BL6VZ7?ref=ppx\_pop\_mob\_ap\_share

Thanks and that’s my advice to you!
P.S.- I can edit in a quick write up of install if you want.

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u/Maleficent-Scale-315 — 3 days ago

2016+ Induction Hose

Are there any induction hose kits available that are plug and play for the 2016-2019? Everything I’ve found is for 2014+ but would throw a CEL with the 16-19 because of the different style Evap harness.

I could buy the Evap harness conversion kit from whoosh but I’d rather not spend $300 on that…

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u/driftingcactus — 3 days ago

Clutch pedal assembly discontinued.

Where are y'all buying the replacement clutch pedal from now? Can't seem to find one anywhere.

u/ImmediateAssignment6 — 4 days ago