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Thread: 2015 fiat 500 turbo sport - Chip? or ECU Mod really do it? changing from Porsche 944T

  1. #1
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    2015 fiat 500 turbo sport - Chip? or ECU Mod really do it? changing from Porsche 944T

    It was simple to get a chip for my 87 944 turbo Porsche and it was worth every penny.

    I'm afraid I am really having trouble finding if I can do something similar to my fiat 500 turbo.

    What's best from your experience?

    I'm not internet savy
    Last edited by Fiat500USA; 08-05-2020 at 10:38 PM. Reason: Fixed year. Assuming it's a 2015 and not 2105

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    Lifetime Member texanbrit's Avatar
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    There are a couple of categories of solution:

    Piggybacks tuners
    These are extra ECUs that sit between the primary ECU and the sensors. They modify the signal from the sensors to make the computer adjust the requested boost and timing. They ate pretty sophisticated but ultimately limited in what can be achieved. This is especially true of a 500 Turbo as the boost curve of the 500T is a bit strange.
    The big players in this space are:
    - 500 Madness
    - Chipbox through DiCorse
    - Racechip

    OBD2 Flash Tunes

    So for this solution a tuner will provide you a handheld device that plugs into your cars OBD2 port. You'll need access to computer to copy files to and from the device. The tuner will supply a tune that you copy directly to your car's ECU.

    The big players in this space are:
    - Tork (damnfastdd.com)
    - Eurocompulsion

    These guys have a good presence with lots of support:
    - Speedmotive
    - OFT

    There are others but you probably want to use one of the above for support.

    Bench Flash
    For this you remove the ECU from your car and send it to the tuner. They write the tune to it and send it back. This means you can't use your car for a few days but avoids some of the complexity of installing a piggyback or managing the tuning handhelds. You can also buy a spare ECU and tune that one (keeping your original one somewhere safe), but that costs about $1000.

    This is how Old School Garage out of Italy tunes cars in the US through Dicorse in New Jersey.

    On-site Tune
    If you're lucky enough to live close enough to your chosen tuner then you can drive in and get them to write a new tune directly to your car. Options for this include:
    - Eurocompulsion in Sapulpa, OK
    - Tork in Auburn, WA
    - Di Corse in Dover, NJ

    I'm sure there are other vendors and tuners that should have been mentioned. I just wanted to give you some of the options to see that there are many options. I have my opinions on who is the best but others will have their opinions and experiences too. I prefer the tuning solutions over the piggyback options as the results are usually smoother in terms of delivery through the power band. Tuning also effectively opens up your 500T powertrain to reach the same limits as the Abarth 500.
    2013 500c Abarth - NGEN Turbo
    2012 500 Pop - daily
    2014 500L - Family
    1971 850 Spider - Project

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    Senior Member aelfwyne's Avatar
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    Being a 500 Turbo rather than an Abarth, using a Piggyback tuner is going to give you only a small bump up close to stock Abarth levels. To go beyond that and realize the full potential of the engine, an OBD2 flash or bench flash tune is going to be the way to go.

    Specifically to avoid are any ebay special tuners that claim to automatically tune your car just by plugging into the OBD2 and leaving it there. Be sure to ask here before purchasing anything not on TexanBrit's list above.
    2015 Rosso Abarth - MAD FIAT - 5 Speed - Phase 2
    2015 Granito Lucente 500T - Proyecto Estupido (Salvage) - Auto - OFT Stage 1

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    Guys, I want to express how very grateful I am for such precise, to the point your answers were. I live on the Gulf Coast in AL/MS so I don't think I'll be making it to one of those shops. =)

    You answered in the way I was hoping for.

    I will start researching the above mentioned. I sure would like to get +25-35 lbs of torque and +20 - 30 bhp without stressing the car to much. I don't drive the car hard at all, but when I do get on it I would appreciate the increase. Once again, thanks fellas.

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    Wow!

    I must say, I am blown away by DamnFastDD and Euorcompulsion's claims.

    DamnFastDD was promising the +30 in both categories but in WHEEL HP. I had to blink rapidly and pinch myself.

    Then I read the EuroCompulsion deal, and I noticed it comes with Coil+Plug deal as well as the flash. It said "supports power ~200WHP" so I'm guessing the standard is somewhere similar to the DamnFastDD..

    I'm wondering if I should buy the coil+plug combo myself, then tell DamnFastDD I have that and just go with theirs....Hmmmmmmmm


    Oh, and I have 89 octane 100% gas down the street. and 93 octane (up to 10% ethanol) everywhere... I've wondered what'd be best. I've considered just always splitting the difference. Half pure 89 and half 93(10% ethanol). I dunno. Maybe I can find some "Marine gas"(they call it that around here) that is 93....

    just kinda thinkin out loud here fellas, but I'm open to any opinions, suggestions, corrections or otherwise.

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    Senior Member aelfwyne's Avatar
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    Quote Originally Posted by cryptoxx View Post
    I must say, I am blown away by DamnFastDD and Euorcompulsion's claims.

    DamnFastDD was promising the +30 in both categories but in WHEEL HP. I had to blink rapidly and pinch myself.

    Then I read the EuroCompulsion deal, and I noticed it comes with Coil+Plug deal as well as the flash. It said "supports power ~200WHP" so I'm guessing the standard is somewhere similar to the DamnFastDD..

    I'm wondering if I should buy the coil+plug combo myself, then tell DamnFastDD I have that and just go with theirs....Hmmmmmmmm


    Oh, and I have 89 octane 100% gas down the street. and 93 octane (up to 10% ethanol) everywhere... I've wondered what'd be best. I've considered just always splitting the difference. Half pure 89 and half 93(10% ethanol). I dunno. Maybe I can find some "Marine gas"(they call it that around here) that is 93....

    just kinda thinkin out loud here fellas, but I'm open to any opinions, suggestions, corrections or otherwise.
    John @ DamFastDD will laugh at you for having the upgraded 4C coils. If your stock coils are working, you don't really need them. However the stock coils do tend to fail with age/heat and start causing misfires. The 4C coils sold by an upgrade by EC are a bit better spec than stock, so make a good replacement if you stock ones have failed. Can't hurt.

    Pretty much every tune/piggyback for the Abarth is going to expect 91 or 93 octane. I would go with the highest you can get due to heat issues. Heat is the #1 enemy on this engine, intake temps, combustion temps get VERY high regularly.

    E85 is one option, it would need upgraded injectors, but without flex fuel or quick change ability on flashes, you end up dependent on finding e85 at the pump which is hard to do.

    The better option for dealing with heat, if you want the most robust track setup, is water/meth injection. Either Tork or EC can recommend setups for that.
    2015 Rosso Abarth - MAD FIAT - 5 Speed - Phase 2
    2015 Granito Lucente 500T - Proyecto Estupido (Salvage) - Auto - OFT Stage 1

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    Quote Originally Posted by aelfwyne View Post
    John @ DamFastDD will laugh at you for having the upgraded 4C coils. If your stock coils are working, you don't really need them. However the stock coils do tend to fail with age/heat and start causing misfires. The 4C coils sold by an upgrade by EC are a bit better spec than stock, so make a good replacement if you stock ones have failed. Can't hurt.

    Pretty much every tune/piggyback for the Abarth is going to expect 91 or 93 octane. I would go with the highest you can get due to heat issues. Heat is the #1 enemy on this engine, intake temps, combustion temps get VERY high regularly.

    E85 is one option, it would need upgraded injectors, but without flex fuel or quick change ability on flashes, you end up dependent on finding e85 at the pump which is hard to do.

    The better option for dealing with heat, if you want the most robust track setup, is water/meth injection. Either Tork or EC can recommend setups for that.

    Thank you once again. I'm learning more and more with each response.

    I live on the gulf-coast where it is already hot as satan's seat warmers. So I'm very grateful for you alerting me to the heat issue.

    I do not have an Abarth.

    I really only want the +30/+30... and I'll go with 93 I guess. If i do go with John @ DamnFastDD for my Fiat 500 Turbo (2015). Are there any other things I should consider to help keep the engine cool? My track days are over. I just want the car a bit more fun to drive. I scored an excellent deal on this car. I was shopping for an abarth originally but To get the same miles on the same year, the best price I found was just shy of double what I paid for this...

    I really do not get on it in this car. I want the clutch to last, I want the car to last. I just want a bit more there when I do rarely ask for it.... It has 100k miles. Owned by a 51 yr old lady blackjack dealer at the casino on the reservation north of where I live. she didn't strike me as the type to rag the car. I really need it to last. It reminds me so much of my 944 N/A. How it doesn't quite hit 60 in 2nd.
    Last edited by cryptoxx; 08-07-2020 at 10:11 PM. Reason: forgot stuff

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    with the information you guys have - which should I go with?

  12. #9
    Lifetime Member texanbrit's Avatar
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    I would say Tork/damnfastdd and this is why. I know several people that have switched from EC to Tork and reported improvements. I don’t know anybody that has gone the other way. I suspect the difference is an A versus an A+ but that’s my current thinking.

    I’m still running a Eurocompulsion tune but I’m hoping to test the Tork tune soon to have some personal experience to share. I’m sufficiently curious about some of other tuners to investigate a bit, although collecting tunes is not a cheap hobby.
    2013 500c Abarth - NGEN Turbo
    2012 500 Pop - daily
    2014 500L - Family
    1971 850 Spider - Project

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    I definitely recommend the Tork Tune. I certainly felt an improvement over the EC tune I had. The turbo seemed to come on quicker and throttle response was snappier. I never did have an issue with my EC tune though, and they are amazing people to deal with so you can't go wrong with them either.
    2017 Fiat 500 Abarth
    Tork Tuned
    Tork Multiair Springs
    ATM Holey Cowl Intake
    Madness Lusso Exhaust
    Madness Maxfire Coils
    Forge Blow Off Valve (Recirculating)
    Forge FMIC
    Cravenspeed Short Shifter
    Sila Concepts Thermal Blanket
    Turbosmart WGA
    ATP Catted Downpipe

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