2014 Ford Fiesta ST project

[razorlab]

Curious razor. The pic in post 1 of your car is that stock suspension with wheels?

It is indeed.

 

[re-rx7]

It is indeed.

Damn, has a nice stance even stock. Why the thicker tire?

 

[razorlab]

Damn, has a nice stance even stock. Why the thicker tire?

The size the S04's came in. They don't offer a 205/40/17

 

[re-rx7]

I was referring to a conversation you were having about as RPMs increase, you see the trottle plate closing.

 

[razorlab]

I figured that out awhile back. I think you might be thinking of sourskittle?

 

[re-rx7]

I figured that out awhile back. I think you might be thinking of sourskittle?

I just remember yall talking about it. I was wondering if you saw a notable difference in allowing the the plate to stay at full open and why you think Ford done this. Looking to get my car tuned soon and wanted to make sure the tuner knows whatsup. Thinking about going to COBB Plano.

Thanks

 

[Sourskittle]

I just remember yall talking about it. I was wondering if you saw a notable difference in allowing the the plate to stay at full open and why you think Ford done this. Looking to get my car tuned soon and wanted to make sure the tuner knows whatsup. Thinking about going to COBB Plano.

Thanks

Yes sir, with Razor's help, I got that part ironed out. Getting rid of the throttle closing tuned out to be the easy part. Making the car drive like stock with those changes made is the tough part. If your not running big boost numbers and/or running them higher in the rpm band, its not very hard to tune out. The harsh difference between a stock or stg3 car running 13-14psi at 6200rpms vs a cyborg (or other ) car running 19-20-21-22psi at 6200rpm is HUGE difference in load ( at least what the ecu calculates as load ). Going so far over ( any amount will do it ) the load limit at that part of the table will close the throttle. If its a little change, just a small change on the throttle tables will fix the issue with no repercussions. But when its such a big jumper over the OTS tune load limits, it requires a good size change in that throttle table, which fixes the throttle closing. But then.... The throttle map is out of wack, lol. So... It takes a while to get the throttle stuff tuned.

On a stock turbo, its not an issue almost at all.

 

[re-rx7]

Yes sir, with Razor's help, I got that part ironed out. Getting rid of the throttle closing tuned out to be the easy part. Making the car drive like stock with those changes made is the tough part. If your not running big boost numbers and/or running them higher in the rpm band, its not very hard to tune out. The harsh difference between a stock or stg3 car running 13-14psi at 6200rpms vs a cyborg (or other ) car running 19-20-21-22psi at 6200rpm is HUGE difference in load ( at least what the ecu calculates as load ). Going so far over ( any amount will do it ) the load limit at that part of the table will close the throttle. If its a little change, just a small change on the throttle tables will fix the issue with no repercussions. But when its such a big jumper over the OTS tune load limits, it requires a good size change in that throttle table, which fixes the throttle closing. But then.... The throttle map is out of wack, lol. So... It takes a while to get the throttle stuff tuned.

On a stock turbo, its not an issue almost at all.

Great post skittle. How did this help with power? I'm stage 3 and looking to get tuned soon.

 

[Sourskittle]

Re-rx7 this would be the difference on the table that mattered the most to me. This is 91oct stg3 table vs what mine is set to.

Cobb-stock

My current ( the bottom two rows are the only ones that have actually been altered).

Speed wise? It def made a difference. But it also threw my wastegate duty cycle table completely out the window, then I added the EFR wastegate and now... I really can't say how much of a difference it made. I can say that RIGHT NOW, when it shuts the throttle on me sometimes, it will dip the V-dyno plot 10-15hp.

 

[re-rx7]

Mother of God. This ECU is damn complex. Im not sure if COBB has caught up to the curve yet that you two are on.

 

[Sourskittle]

Mother of God. This ECU is damn complex. Im not sure if COBB has caught up to the curve yet that you two are on.

I can't speak for the "pro-tuner" shops, but Cobb themselves are way past me, lol. Panda, razor, randy, and Alex are light years ahead of me. I'm just doing what I can as I go

 

[re-rx7]

I can't speak for the "pro-tuner" shops, but Cobb themselves are way past me, lol. Panda, razor, randy, and Alex are light years ahead of me. I'm just doing what I can as I go

Upon calling COBB SOCAL i was informed that they are still working there way through the throttle closing ordeal.

 

[RAAMaudio]

Matt at Panda has it figured out on the modded turbo, mine stays wide open, all the time I am on it all the way

Cobb is a very conservative company, some of their numbers may not be the top that can be achieved but they are very methodical and take slower steps than most but also they do not ever inflate what they can do, sell parts that do not fit(to the best of my knowledge as never an issue with what I have used from them) I have the highest respect for them.

 

[BoostBumps]

Upon calling COBB SOCAL i was informed that they are still working there way through the throttle closing ordeal.

Sorry...got a few questions...I really should just talk with Cobb...but anyway...

Is there a problem with the throttle closing or just folks not understanding how to deal with setting up the limit tables? And whom did you speak with at Cobb? And is this just an issue that folks are seeing with these upgraded turbo's they are installing??

Just like to know if there really is an issue..thx...

 

[re-rx7]

Sorry...got a few questions...I really should just talk with Cobb...but anyway...

Is there a problem with the throttle closing or just folks not understanding how to deal with setting up the limit tables? And whom did you speak with at Cobb? And is this just an issue that folks are seeing with these upgraded turbo's they are installing??

Just like to know if there really is an issue..thx...

Sourskittle and Razor know more on the subject then I do. I spoke with a guy at the front im guessing cant recall his name. He said they have been working on it and that its a complex issue. Said once they got it dialed out there would be an OTS update.

 

[razorlab]

Sorry...got a few questions...I really should just talk with Cobb...but anyway...

Is there a problem with the throttle closing or just folks not understanding how to deal with setting up the limit tables? And whom did you speak with at Cobb? And is this just an issue that folks are seeing with these upgraded turbo's they are installing??

Just like to know if there really is an issue..thx...

It's not an issue, it's just proper tuning from figuring out things as they come up.

 

[re-rx7]

It's not an issue, it's just proper tuning from figuring out things as they come up.

Ive done some numbers and looks like this turbo "could" make 230.

 

[Original J-Pat]

Ive done some numbers and looks like this turbo "could" make 230.

Stock turbo?

 

[COBB Tuning1]

Upon calling COBB SOCAL i was informed that they are still working there way through the throttle closing ordeal.

Would you mind elaborating on the issue in reference? I haven't heard of anything in particular so I'd love to know if there is something that needs to be addressed! Please send over any details here or via PM so we can all be on the same page.

Cheers,
-Braden @ COBB

 

[re-rx7]

Would you mind elaborating on the issue in reference? I haven't heard of anything in particular so I'd love to know if there is something that needs to be addressed! Please send over any details here or via PM so we can all be on the same page.

Cheers,
-Braden @ COBB

Sourskittle and Razor have more of scientific answer then I do LOL. There post are on the previous page. Basically the ECU is closing the throttle as the boost/rpm climbs.