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  1. #1
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    300 WHP on pump gas.. What do I need?

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    Hello everyone

    I'm new to this forum (well as a member.. I've already been reading on these Forums for almost a year now) and happy owner of a 2015 Black Fiesta ST :)

    I love the car, i love the way it drives, I love the instant power, its looks ect..

    My mods as of today:

    - Bluefin Stage 2 remap
    - GGR intake
    - FMS Catback with Resonator delete
    - GFB DV+
    - Vibratechnics RMM (stiff/trackday Version as I don't mind Vibration at all)
    - Eibach lowering springs (1.5")
    - FMIC (planned)
    - Downpipe (planned)

    The Problem is I love power and 210 whp just doesn't work out for me.

    I decided I want to go big Turbo but I have a few no-gos/wants because of the place I live in:

    - no mixed fuels, pump fuel only (95, 98, 100 octane)
    - bolt on stock Location replacement
    - compatibility with EU-spec Fiesta ST
    - if possibe, the big Turbo kit should come with an OTS tune (I don't like the idea of paying 1400 bucks just for getting pro tuned on a BT. Yes, you heard right, welcome to switzerland)
    - no BT kits where a catback or decat downpipe is included.. Switzerland takes decatted vehicles very serious and will not hesitate to impound your car right on the street where they stop you.. don't get me started on the ticket you'll get.

    You guys are pros, and there's quite a few People running big Turbos in here so the best advice would be yours.. Which Turbo kit should I go for if my Goal is 300 WHP on pump gas w/o going too aggressive on a tune? A lot of People refuse to give up the early torque nature of the Fiesta.. I am more than happy to trade it in for a Turbo that builds serious boost when the stock Turbo has already given up..

    Edit: also, I'm new to the Turbo world and i love it :)

  2. #2
    Member 153 Rep Points kivnul's Avatar
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    Hopefully someone will correct me if I am wrong, but nobody offers a canned / OTS tune for a big turbo that will meet your requirements. A hybrid turbo (which meets your stock fitment requirement) needs to be tuned to the bleeding edge to hit 300 whp.

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    Member 74 Rep Points STAZ15's Avatar
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    Quote Originally Posted by kivnul View Post
    Hopefully someone will correct me if I am wrong, but nobody offers a canned / OTS tune for a big turbo that will meet your requirements. A hybrid turbo (which meets your stock fitment requirement) needs to be tuned to the bleeding edge to hit 300 whp.
    You are correct. OP are you not able to use the Cobb accessport?


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    Quote Originally Posted by kivnul View Post
    Hopefully someone will correct me if I am wrong, but nobody offers a canned / OTS tune for a big turbo that will meet your requirements. A hybrid turbo (which meets your stock fitment requirement) needs to be tuned to the bleeding edge to hit 300 whp.
    Sorry my bad.. I just meant it should go where the stock Turbo is instead of being top Mount or something.. A bigger Turbo should have place there or not? The bigger Problem is the Need of a pro tune :( But I really want a big Turbo so if OTS tune isn't possible I am willing to spend 1.4k on a pro tune..

    Quote Originally Posted by STAZ15 View Post
    You are correct. OP are you not able to use the Cobb accessport?


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    I don't know but I don't think so.. EU spec ECU is different from the US one..

    And Bluefin refuses to provide maps above stage 2..

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    You might want to consider the X47R from Pumaspeed. Not really a "big turbo", it's a hybrid, but I think it should be able to meet all of your needs (you won't have to sacrifice much in the spool department either). I'm not sure how the octane levels differ overseas (if at all), but with access to 100 octane I don't see 300whp being a problem with that turbo.

    Also try messaging someone at Pumaspeed if you are interested in that route, they might be able to tune you even though they are in the UK and you are in Switzerland. My tuner is in Canada and I'm in the U.S. They should also be able to give you ranges of WHP on the various octane levels.
    2015 OW Fiesta ST2
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    Quote Originally Posted by Quasar View Post
    You might want to consider the X47R from Pumaspeed. Not really a "big turbo", it's a hybrid, but I think it should be able to meet all of your needs (you won't have to sacrifice much in the spool department either). I'm not sure how the octane levels differ overseas (if at all), but with access to 100 octane I don't see 300whp being a problem with that turbo.

    Also try messaging someone at Pumaspeed if you are interested in that route, they might be able to tune you even though they are in the UK and you are in Switzerland. My tuner is in Canada and I'm in the U.S. They should also be able to give you ranges of WHP on the various octane levels.
    Yes actually Access to 100 octane wherever I go.. There's a lot of pumps offering 100 around here.. X47r sounds interesting, but didn't someone just say you'll be tuned at the bleeding edge when going 300 WHP with a hybrid..? Wouldn't this be too much strain for the Turbo considering its core is the stock Turbo?

    I would love to go with pumaspeed as they have both options, hybrid and big Turbo plus their MAXD software is perfectly compatible with EU-spec Fiestas but I guess I'm on their blacklist.. I wanted to get their stage 2r but after answering 2 of my emails they never bothered replying again. Apparently I ask too much questions or who knows.

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    First off, I believe your 100 octane is equivalent to our 93 octane. US uses a different octane measurement than other countries from what I've read. (just a reference for US posters in the thread)

    Secondly, the issue wouldn't be the turbo size, you'd basically be at the end of the line when it comes to octane. No matter the size of the turbo, a 1.6L can only make so much power given a certain amount of fuel/octane. Add aux injectors though, and you raise your ceiling dramatically.

    Wait what kind of currency is a pro tune 1400 dollars? Why can't you e-tune with an AccessPort through one of the major US ST tuners? You really don't need to slap your car on a dyno to get a proper tune.
    Last edited by alexwlwsn; 01-08-2018 at 12:19 PM. Reason: More info
    2016 Purple Drank Tuned Fiesta ST

  8. #8
    Member 153 Rep Points kivnul's Avatar
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    Quote Originally Posted by alexwlwsn View Post
    ... Why can't you e-tune with an AccessPort through one of the major US ST tuners? You really don't need to slap your car on a dyno to get a proper tune.
    EU spec cars use the MAF sensor unlike the US spec. The AccessPort is not used on EU cars. (AFAIK)

    Spot on on the octane info. I was just looking it up to post when I saw you had beat me to the punch.

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    Quote Originally Posted by alexwlwsn View Post
    First off, I believe your 100 octane is equivalent to our 93 octane. US uses a different octane measurement than other countries from what I've read. (just a reference for US posters in the thread)

    Secondly, the issue wouldn't be the turbo size, you'd basically be at the end of the line when it comes to octane. No matter the size of the turbo, a 1.6L can only make so much power given a certain amount of fuel/octane. Add aux injectors though, and you raise your ceiling dramatically.

    Wait what kind of currency is a pro tune 1400 dollars? Why can't you e-tune with an AccessPort through one of the major US ST tuners? You really don't need to slap your car on a dyno to get a proper tune.
    I don't really know.. 95 is our "Standard" Quality fuel.. 98 is premium Quality and 100 is considered as "no one who isn't tuned for it Needs it" 100 is Special though as only one pump make offers this.. (Shell.. But there's lots of Shell pumps in switzerland), other pumps only offer up to 98.

    How come that with different Turbos I've seen dyno Sheets ranging from 270 WHP to 320 WHP though most of them stating "maxed out on stock fuel pump"? I'm fairly new to the Turbo world, some questions might Sound stupid but I learn fast :)

    It's actually 1250 swiss Francs, I thought that would be about 1400 Dollars includes "before" dyno run, Tuning on the roll and "after" dyno run, but still pretty expensive considering the bluefin stage 2 + intake were 600 bucks..

    How can I get e-tuned with accessport when my ecu is all different? code xxx might be raising boost for your ecu, for mine it might be inject this amount of fuel if I understand correctly? I highly doubt cobb is going to give themselves a pita work for one swiss customer.

    We do have a load of E85 pumps, but I don't even know where to start with E85.. How you set it up, fuel consumption, can you Switch from e85 to pump gas just like that or not ect..




    Thanks for all your quick replies

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    Member 74 Rep Points STAZ15's Avatar
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    Sorry for the late response I’m at work. I have zero knowledge about EU tuning but 1400 for a dump tune sounds a little crazy to me. You’re not going anywhere near 300 without a tune and I wouldn’t even recommend upgrading the turbo until you can find someone that can tune the EU fiesta. It sucks pumaspeed isn’t answering maybe call them? Tell them your situation and maybe they will explain some more. Hopefully some of the EU guys and gals will chime in


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