Btr ecu tune / tcu tune - Hyundai Genesis Forum
 
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post #1 of 10 Old 08-01-2018 Thread Starter
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Btr ecu tune / tcu tune

Hello everybody. First of all sorry for my english.
I have a question about the BTR Tune. If I will do the ECU Tune without the TCU Tune at my Genesis coupé 3.8 V6 AT and will increase the rev limiter, can I rev higher while driving or will the AT shift as early as before the tune (because there is no TCU tune)?
Thanks a lot.
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post #2 of 10 Old 08-01-2018
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Query

The short answer is no.

If you are a 3.8 AT and you want the revs increased you can not override the oem tuning with the ECM alone. You must send in your ECM and TCU together. Besides, the oem TCU tuning is a mushy slugish load of crap. So bad that alot of people think they have trans problems.

When this is done you will have faster torque converter lockout, and you be able to act as a true manual. All the way to 7500. Do not listen to anyone who does not have this personally. I cant speak to any other tuners with this combo, but BTRs is amazing. Then again I have a big turbo too so, I'm used to doing whatever I want.

Dont listen to I heard this, or I have a buddy that. Also unless the owner of another tuners version chimes in, I wouldnt listen to this is better or that is better. Horse crap, if you dont have personal experience STFU.!

Here we go again !
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Thanks for your answer and your help. But i still have question about that.

I have the possibility to get the custom tune from BTR next month. Currently i`m only planning with the ECU-tune, not with TCU-tune. Maybe you can convince me to do it as well:-)

That means that it will be only possible to rev higher in N with a ECU-Tune alone but i won`t have any improvements by driving? Thats a special fact from the AT`s? Because if you have the ECU-Tune on a 3.8 V6 MT you will increase the revs (and will shift at a higher rev point) without any problems in every gear? Everything correct?

What is about the topspeed? How is that changing? I will come actually to a speed 240km/h (=150mph) easily but then it`s a sudden end. I hope it will be better with the ECU-Tune alone. Is it?

The TCU Tune allows to hold the gear in manual (sport) mode. That`s not really important for me. It is more important to me to get a better acceleration and to have a higher topspeed at large. What should i do? :-)
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post #4 of 10 Old 08-02-2018
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You actually answered your own question. Gens that are MT, the tune can do more because shifting control is "manual". Yours bein an AT have the oem trans tuning in the TCU. It decides based on its parameters, absolute load levels etc. The trans tune allows ALL of the modes to operate:

-quicker,...shifts (D) because of the more aggressive TC lockout.
- more pronounced pulls,...in "sport " mode, holds it in gear longer and shifts out in higher rpm. (Also having different absloute load inputs). That makes the car faster/qucker/more responsive. Its an absolute joy.
-Holding it in gear until you want it to shift does make it faster. Especially when you can hold her there until 7 plus K versus 5500 the way your trans is setup now.
(How do you not understand that). Higher top speed- thats easy for each gear at 7 plus K versus 5500. Every gear is capabl of a higher speed. You also get ther faster.
The ECM alone on an AT is "limited" by the TCU parameters, if it is not also tuned and its limiters increased.
Sorry thats just the way it is.
If your doing a custom, hell yeah they can do it right there.. Worth every penny. Don't chepo out of it.

Here we go again !
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post #5 of 10 Old 08-02-2018
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Why would you make your motor a demon (ECM), if Grandma is still at the helm (TCU).

But now you get the whole enchilada,..............You need to get an trans cooler for sure. The oem transcooler is entirely inadequate for a tuned ECM/TCU.

Also, any tuned anything is considered "severe duty" when it comes to maintenace intervals. A tuned ECM/TCU requires AT fluid changes every 29K. That is wise. You can do what you want, but that comes from a factory trained Hyundai/Genesis epert with 18 years experience. He is also the one who informed me I must have trans cooler.***In my case being a big turbo, he said I needed a fan on my transcooler as well. You being a NA car the static cooler will suffice.

You'll see, ask the turner when your there. He will confirm the above.

Here we go again !
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post #6 of 10 Old 08-02-2018 Thread Starter
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Sounds perfect and like a lot of fun.

BTR increases the revs up to 7200rpm. Sorry for the question but is the engine designed for it/firm enough for the higher loads?
Have you heard of any claims/damages in the USA? Here in Germany there is nobody who has the TCU tune so far, that`s why i have to ask in your forum about these specials things

What will be the maximum speed for the v6 AT with ECU and TCU tune? Do you have any details?
In General the AT is a bit slower than the MT because of drivetrain loss. There is nothing to do. Thats fact, but TCU will help to get better in comparison with the OEM Genesis.
I already notice you recommend me to join in the TCU-tune directly. Sounds good, i have to think about the idea.
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post #7 of 10 Old 08-02-2018
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Enter at your own risk

First, you are exceeding the deliberately designed parameters of the manufacterer. Claims my ass...............LOL

Second BTRcc has had breat success in this tune combo. Mine is a cumulative benefit of their partnership with Turbokits.com. So you will be getting all their experience with this in your future custom.

Modding is a non stop cumulative "journey". This involves modifying engine mounts, trans mounts, differential bushings BLAH-BLAH. Thats not to discourage you, but know that this tuning combo is going to unleash you on your journey to render your car capable of its potential.

Dude my car does 155 with gears to go. You are referring to the EU 149 mph limiters that are on all cars. They will remove that in both. It will then be a function of whp/gear ratio/ wind resistance. You will have to find out your new max speed LOL.

Deutchland uber alles !!!! (My maternal grandfather was a Tiger -1 commander with Schwerepanzer abteilung 521)

**Read this entire thread, it will help you on many of the changes in components that will help with what you are entering into. Dont be put off by the turbo, the ECM/TCU combo still demands many of the changes.
https://www.gencoupe.com/new-member-...-go-again.html

Here we go again !

Last edited by Gaijinn; 08-02-2018 at 02:39 PM.
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post #8 of 10 Old 08-02-2018 Thread Starter
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Thanks @Gaijinn .

What can the others say about the effectiveness of the TCU tune and if it`s worth the money. Would you buy it one more?

I don`t know if i should do the tcu tune beause i`m not interested in to hold the gears in sport mode.
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post #9 of 10 Old 08-03-2018
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if i had an auto i'd do it.
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post #10 of 10 Old 08-03-2018
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I responded to you in your other thread on same topic/question (really only need to post once and not multiple threads in multiple forum sections).

TCU tunes are great for both driving in "D" mode and tip tronic/paddle mode. In the latter, they can not only change shift points but can eliminate the automatic shifting (the stock safety protection). This of course could lead to damage if you miss/forget to shift or wind it out too far. The TCU tune in "D" mode can also change the shift point fir better use of power.
This change is more of a benefit at low and mid range. If you are looking to see how fast you can get to 150mph (not to say you could), I suggest getting a different car and please move to Germany. Driving fast on the street does not have to mean top end speed. It the faster and quicker bursts at low and mid range where you want to and should feel it.

I have beat 600+ hp Mercedes (and ither higher hp cars) in stop light to stop light, 1000ft and 1/8mi but would never want to go side by side on a salt flat for top end. Just not gonna touch them...
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