• Welcome to N-cars.net - the largest Hyundai N car forum. Check out the model specific sections below and scroll down for country specific forums. Scroll down for i30 N, Ioniq 5 N, i20 N, Veloster N and Kona N forums! Check out the i30 N Bible Here!

Tuning i20N Engine & ECU Tuning Discussion

Toggle sidebar Toggle sidebar
Robbyvrs said:
Not exactly impressive considered a Mountune / Dreamscience + other tuned Fiesta/ Puma ST is around 240bhp on 98 ron fuel as a stage 1 - these cars are 1500cc 3 cylinder engines so I would have expected with an extra 100cc and an extra cylinder the I20Ns to show around 260bhp from a stage 1 tune
Click to expand...
True,

But the turbo is larger on those cars, it's boost and timing holding the car back because hyundai decided to put a pea shooter turbo in the car, I reckon a hybrid turbo "stage 3" is gonna be 300+ hp easily and the torque figures are also significantly higher than the fiesta ST mountune even now, 300+ is essentially unheard of in commonly tuned fiesta ST's
 
If it took three years to unlock the ECU, we can’t really say Hyundai made the car with tuning in mind, can we?
 
Last edited:
T0m_i20N said:
N75 motorsports released their flash map yesterday...
Anyone managed to get it flashed on yet?

Cherry have managed 275hp, 460nm on a "Stage 2" car, that's intercooler, downpipe, cat-back and intake and a tune to match the new airflow. the curve is basically the stock curve but raised across the board and torque staying higher longer with power peaking earlier.

MT Tuning in Germany have found the spark plugs will need changing and that the i30N spark plugs from NKS code M45XL are the right plugs to use, stage 1 from MT on a stock car 102 octane fuel managed 237ps, 406nm and a smooth curve with a huge torque gain across the range and with peak power coming on earlier and staying consistently higher.

The general complaint so far is the size of the turbo, It's basically the size of a tennis ball and doesn't like holding boost past 5k revs, redline boost tuned is about 15psi, this is also the reason that stock, the car seems to drop off massively towards the top end. But mid range numbers look awesome and day to day driving a remap is definitely going to be noticeable,

bye bye fiesta ST's, Polo GTI's lol

Thanks
Click to expand...
where are you pulling these figures from Cherry?
 
TypeN said:
where are you pulling these figures from Cherry?
Click to expand...
comments section, they're running 245 semi slicks on the car on a roller they usually lose ~20% on, they're losing about 30% power to the wheels all in all, at the crank they've said 275hp, 462nm
 
yeh that comment section has turned into a bit of a novel, interesting read. numbers are great would like to see some track days by cherry in the future, no doubt we will.
 
  • Like
Reactions: T0m_i20N
T0m_i20N said:
comments section, they're running 245 semi slicks on the car on a roller they usually lose ~20% on, they're losing about 30% power to the wheels all in all, at the crank they've said 275hp, 462nm
Click to expand...
If you just repeat what cherry says ok. But there is no way with the stock tiny turbo to produce 275 hp at the crank. No matter what they say.
 
gpaaa said:
If you just repeat what cherry says ok. But there is no way with the stock tiny turbo to produce 275 hp at the crank. No matter what they say.
Click to expand...
not everyone is a "tuner" like you mr expert, they have the numbers, they have dyno graphs and they have the car.
 
I spoke to a well regarded U.K. tuner yesterday (a very nice chat it was too) and he felt that, whilst the tune is still a work in progress, it was highly unlikely +50bhp would be possible, and certainly not 275bhp, irrespective of the exhaust, intake etc. fitted. However, I remain enthusiastic to see what comes out, but wary of giant claims of power gain. As it stands currently I have seen independent dyno tests that show a DTUK tuning box can produce 245bhp and much improved torque so one would assume an ECU tune could ultimately do better than that - we shall see 👍.
 
Last edited:
T0m_i20N said:
not everyone is a "tuner" like you mr expert, they have the numbers, they have dyno graphs and they have the car.
Click to expand...
whatever you say !! :) Dynos are so easy to cheat you know!! Specially dynojet. Specially if you own them!! Just by altering a single value (lets say in temperature) you can modify results :)
But Physics, maths and mechanics are pretty straightforward. No matter how much pressure you allow the turbo to have through binary code (how many spins per minute you allow the turbo to make) you wont be able to pass the maximum efficiency of the turbo :).
But you are welcome to believe whatever you say :). Just dont expect experienced people to believe something because someone posted, without letting us take into account ......science and experience :)
 
Jerome92 said:
If it took three years to unlock the ECU, we can’t really say Hyundai made the car with tuning in mind, can we?
Click to expand...
I've owned a few Minis inc a 2018 Works 210 which was remapped to produce 276bhp and that was great. I then bought a 2021 Cooper S with the GPF fitted (176bhp) followed by a 2021 Countyrman Cooper S (same engine again) 6 months ago and as far as i'm aware even that can't be remapped like the pre facelift (<2021my) cars due to a locked ECU so it isn't just Hyundai making things difficult.
 
  • Like
Reactions: Kingkeees
gpaaa said:
whatever you say !! :) Dynos are so easy to cheat you know!! Specially dynojet. Specially if you own them!! Just by altering a single value (lets say in temperature) you can modify results :)
But Physics, maths and mechanics are pretty straightforward. No matter how much pressure you allow the turbo to have through binary code (how many spins per minute you allow the turbo to make) you wont be able to pass the maximum efficiency of the turbo :).
But you are welcome to believe whatever you say :). Just dont expect experienced people to believe something because someone posted, without letting us take into account ......science and experience :)
Click to expand...
What do they have to gain from cheating a dyno though, they're a reputable company.
If they can't reproduce the results on another car they're putting their reputation on the line for the sake of having the highest "result", guess we'll see when MT Tuning in Germany have development results on their "Stage 2" . keep in mind MT are known for their 500+ HP FL i30N's.

I understand your scepticism, I don't want to be disappointed either and yes the turbo is tiny but if MT managed 237hp/406Nm on a stock car, I don't find it hard to believe massively increased airflow, peak boost up by 4psi and cooling ability and the a tune to account for the increase produces a further ~30hp/50nm at absolute peak
 
T0m_i20N said:
What do they have to gain from cheating a dyno though, they're a reputable company.
If they can't reproduce the results on another car they're putting their reputation on the line for the sake of having the highest "result", guess we'll see when MT Tuning in Germany have development results on their "Stage 2" . keep in mind MT are known for their 500+ HP FL i30N's.

I understand your scepticism, I don't want to be disappointed either and yes the turbo is tiny but if MT managed 237hp/406Nm on a stock car, I don't find it hard to believe massively increased airflow, peak boost up by 4psi and cooling ability and the a tune to account for the increase produces a further ~30hp/50nm at absolute peak
Click to expand...
As i have mention many times, the real limitation is the factory tiny turbo. Whatever they do, the cant make the stock turbo to keep the boost (spins) uphills in the powerband (5000-6500 rpms). Dont be foolled. This is not a normally aspirated engine to increase the air lets say from a new intake and gain horsepower. The extra air will have to pass through the turbo and if the turbo is tiny, no matter how much air you try to put in the system, maximum efficiency will stay the same.
So in other words, you can make the turbo spin faster earlier (increase boost) from 2500- 4500 and gain a lot of torgue in the aforementioned rpms window , but beyond that window, turbo efficiency is on the max, so you wont be able to gain horsepower because turbo is tiny and cant keep the boost.
What cherry is trying to do now, is the correct way to proceed and with a modified turbo 275 - 280 ps will be possible. But reaching the 300 ps barrier a totally new turbo will be necessary among other things (ie injectors, downpipe etc)
 
  • Like
Reactions: Jim20_14 and YNWaN
Γιώργος Κ. said:
i think around 240hp the car runs healthy. Idk 250 and above the connecting rods can handle the torque. you are right about the hpfp
Click to expand...
Hi George,

Any updates to share from testing the car in the street, if any? Still fun to drive with the extra power - torque?

Just from a perhaps not on a like to like basis comparison or too early to say for sure (apologies if i am mistaken), the difference between tuning boxes and a re-map in the broken ECU is in the range of the given torque (in the second one the car gains extra torque from 2.200 - 2.300 vs boxes at +500 rpm)

Thanks in advance and enjoy your vacations!

Dimitris
 
frenchy2475 said:
www.instagram.com

Instagram

Create an account or log in to Instagram - Share what you're into with the people who get you.
www.instagram.com www.instagram.com
Click to expand...
controllable pops and bangs 🥳 they can be made louder and to last longer, length of pops can be tied to certain engine settings and changed with the custom modes menu, exhaust flaps can be kept 100% open and any % in between across specific rev ranges and modes
 
  • Like
Reactions: Redburn, User5, YNWaN and 1 other person
You must log in or register to reply here.

Top Bottom