Building a FiST for Road Racing with MotoIQ!

26263 Views 68 Replies 9 Participants Last post by spoon, Mar 5, 2017

McRib 1s Back

Discussion Starter · Apr 16, 2015 (Edited)

While the thread over in the EcoBoost tuning section has sprawled into a lot more than tuning, I thought I'd start a proper one here. Ironically, I never did sort out my ECU woes. For now, I'll just tuck away the various harnesses -- and carefully hack them out, one at a time, later...

Also, a few of you have probably figured out that my car is the MotoIQ project Fiesta ST car. It's not so much a secret, as an issue of timing.

Here on out, I'll link to it and even provide unique content, here on this forum, as I have it. I'm excited about the car, and very fortunate to have friends that can help me build something truly special! If you have questions about any part of the build, feel free to ask. My free time has been pretty limited for such things lately, but I'll do my best to keep content on this forum current.

MotoIQ's Project Fiesta ST

(http://www.motoiq.com/Projects/Ford/FiestaST.aspx)

Edit: Fix hyperlink.

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meFiSTo

· #61 · Sep 17, 2015

McRib: Not sure if you are still paying attention to this thread, but I have a question for you:

Did you ever successfully install that Ford Racing ABS module in your car? There is a MotoIQ article that implies it was done:

http://www.motoiq.com/MagazineArtic...e-Kit-and-a-Ford-Racing-Brake-Controller.aspx

However, I'm not sure that was your car.

I'm researching it a little, but from what I can tell, it's not compatible with our car.

Any info would be great. Thanks.

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McRib 1s Back

Discussion Starter · #62 · Sep 17, 2015

Hi there, I'm still here! The thread is active, pardon the gaps!

That's my car. My car is the only MotoIQ project FiST. Anyhow, yes, we're struggling with it. See my response within this thread for the explanation. We'll work it out, but I don't recommend buying it unless you want a project.

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meFiSTo

· #63 · Sep 17, 2015

McRib 1s Back said:
Hi there, I'm still here! The thread is active, pardon the gaps!

That's my car. My car is the only MotoIQ project FiST. Anyhow, yes, we're struggling with it. See my response within this thread for the explanation. We'll work it out, but I don't recommend buying it unless you want a project.

Thanks. I think I'll pass. I already fruitlessly spent a @#$%load of R&D $$$ with a local shop that tried to make the Auto-Blip thing from Tractive Technologies work with my Fiesta ST. No luck and then Andres (the Tractive owner/engineer) gave up with his current setup (after extensive testing on a Ford throttle assembly). Bleh. I'm still a little hopeful that he can do something in the next year, but I am NOT going to be a guinea pig. I have switched to OMP pedals bolted onto the stock pedals and installing the no-pistons throttle pedal lifter plate to see if I can get my foot in position to blip without any automation. It is *painful* with the stock pedal setup -- hopefully easier with these slight adjustments.

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McRib 1s Back

Discussion Starter · #64 · Sep 17, 2015

I completely feel your pain! We can swap war stories some time. As you know, there's a cost to being a pioneer.

My modified pedals feel really good. I'll try to get better photos of them. Between that and shifter mods, I'm happy.

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McRib 1s Back

Discussion Starter · #65 · Jan 8, 2016

My car is back! It spent about a year in various states of fabrication, but it came out looking great!

It runs! There's a longer conversation here, but it comes down to figuring out that the fuel pump is serially connected to some emissions stuff (and that I had a bad pump the first time, hard to know how much time was lost over that!). I have my new fuel pump wired directly. I was worried about the change from dead-head to return style fuel setup, but it seems like we're okay. I'm giving the system 50PSI from the fuel tank, and it looks like the trip to the high pressure pump isn't an issue so far.

The MotoIQ site is still the best place to get details, but it's a behind a bit. About the only thing new is that the car is running and ready for a first track day in a long while!

I plan to run at Willow Springs SoW this Sunday. I'm not going to hammer the car, rather get the car sorted out. My goal is to get the suspension dialed-in. I hope the tuning is okay. I'm running 100 octane on a special Mountune map made for their rally race cars. The big difference there is that the acoustic sensors are essentially turned off. I understand that the rocks and gravel pinging around caused the car to think it was pinging, and would retard timing pretty severely! I feel like that might have happened to me a while back, so this is something to consider.

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McRib 1s Back

Discussion Starter · #66 · Jan 8, 2016

I have only driven the car a very short distance so far (literally just a drive in the parking lot of the industrial park). My car isn't street legal, and I filed a PNO...

There's an industrial park near a local airport that seems to "allow" cars/carts to run on the weekend. I'd like to get some very basic sorting out of the way before hitting the track, but probably not going to happen.

The car has a 3" exhaust from the turbo back. It didn't seem loud before, but so much has changed. Inside, it's loud, but also sounds quite different (in a good way). Outside, it's really not that loud at all. For this setup, the turbo seems to really quell the noise.

The car feels a lot faster, but memories of such things are hard to gauge. I know it's a lot lighter!

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McRib 1s Back

Discussion Starter · #67 · Jan 8, 2016

Something I had hoped would be figured out is the FRPP ABS module! I still have it, but I'm running the OEM module still. This is a project for another day!

I'm not sure if the ABS computer will freak out with the new size/geometry changes (calipers/discs), but hope not. I won't know until it I apply serious braking forces at the track.

That got me thinking about simply killing the ABS system (pull the fuse). Anyone have experience doing that on our FiST? I'm pretty sure it will "work" in disabling ABS/TVC. I'm not worried about not having ABS, just don't want to introduce more wonky behavior to the car.

Despite having everything in plain sight, I'm not 100% sure about what is controlling TVC. I would much prefer not to have to disable ESP each time I start the car! Is there a discrete TVC module? I can't find one...

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McRib 1s Back

Discussion Starter · #68 · Jan 12, 2016

As a recap to the track day on Sunday, I was able to get TVC permanently disabled.

You don't want to pull the ABS fuse. It might work, but you'd lose ABS and a high speed communication bus (like wheel speed information).

If you unplug the two connectors in the restraint system module, it seems to do the trick. ABS works, and TVC is gone.

I don't like all the idiot lights, so I'll pull out those LEDs the next time I have the dash out!

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· #69 · Mar 5, 2017

(In case you're still kickin) Just wanted to pop in here and ask about the FRPP B-spec racing ABS module. What are the specific reasons you chose not to install this?

In my researched I jumped from blog posts to different threads and at one point you mentioned that it was a fairly easy swap. Of course, that was years ago now.

In any case, your work is very interesting and inspirational. Thanks for documenting everything. I am not building a track car, but am building a street car for occasional track use and am already frying brakes and cooking wheels. Defeating the TVC on this car is very important to me at this point as it is doing more harm than good, and so I just wanted some extra insight. I'm sure there are a few others who are interested as well.

Thanks brother!

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