MK5 Golf GTI
All Things Mk5 => Mk5 General Area => Topic started by: Kregiel on February 02, 2013, 10:23:29 pm
-
Hi Guys,
Following my engine failure with K04 GTI engine I have second thoughts about remapping and map I was running. Attached is the RR I have done after the remap. What do mapping experts think about it? With the new engine I am considering my options of custom map vs big names and looking for opinions
Thanks a mill
Paul
(https://www.mk5golfgti.co.uk/forum/proxy.php?request=http%3A%2F%2Fdaz.co%2Fmedia%2Fq481%2FKregiel%2Frolling4_zpse31485e3.jpg&hash=36dbbc1dad5961644ccc3e7ffbd37c8a5a19b75d)
-
Why is there a dip in the graph at 4500RPM? :scared:
-
Neither curve looks particularly smooth. You shouldnt end up with something like that, the curves from around 4k to 5.5k look like they need some work and torque looks to drop off a bit much maybe?
-
Boost control issues with the N75 PIDs controls fitting each other or the ecu is seeing high STFT deviations and cutting power to bring trims back on line safe.
Are u running a generic or custom map?
-
Boost control issues with the N75 PIDs controls fitting each other or the ecu is seeing high STFT deviations and cutting power to bring trims back on line safe.
Are u running a generic or custom map?
it's custom map.... My car is gti with k04 conversion and twintake. According to guy that tuned my car twintake is tricky to tune.... Also did not drive any other k04 cars so had no other opinion.
My engine blew as per my other posts so now with new engine wonder if this tuner is worth getting back to. Although I am Dublin based don't mind traveling to UK to the right tuner etc. I presume with correct map based on people opinions above regarding graph it would be night and day.
Thanks
Paul
-
Nick @ R-Tech is regarded as one of the best custom tuners for VW's (not just on this forum either).
IMHO your best going there if your making a trip over to the uk :happy2:
-
According to guy that tuned my car twintake is tricky to tune....
Thats complete BS mate, any tuner worth his salt can tune any car with any intake...
-
Id save some money and go to R Tech for a map. Im sure you could make the trip in about 2 days and book a travelodge or somewhere to stay over.
-
Why is there a dip in the graph at 4500RPM? :scared:
I think it does that on many mkv's... :confused:
Mine always coincides with lambda dropping at that point going richer and, when my rail pressure climbing settles and holds it more level. Not sure if this is coincidence of the bump causing culprit?
(https://www.mk5golfgti.co.uk/forum/proxy.php?request=http%3A%2F%2Fi1205.photobucket.com%2Falbums%2Fbb434%2Frohecht%2FNewDyno-chart001.jpg&hash=78c528b1597cab4609887cf75fb3b278e8669ecf)
-
Boost control issues with the N75 PIDs controls fitting each other or the ecu is seeing high STFT deviations and cutting power to bring trims back on line safe.
Are u running a generic or custom map?
Nick,
What does it mean in layman terms?
Thanks
Paul
-
Nick,
What does it mean in layman terms?
Thanks
Paul
In a nutshell it means that your mapping wasn't optimal.
-
In a nutshell it means that your mapping wasn't optimal.
Could it have caused failure to the engine??
PAul
-
Could it have caused failure to the engine??
PAul
I don't think anyone can give you a definite yes or no answer here.
In isolation your engine should have been able to cope with the torque and power output without an issue using standard internals.
-
According to guy that tuned my car twintake is tricky to tune....
Thats complete BS mate, any tuner worth his salt can tune any car with any intake...
.... x 2 !!
I wouldn't go anywhere near any tuner who told me that BS.
For example, my Dyno-Dynamics plots at JKM after Twintake (and before) are very smooth.
-
Thanks guys that's very helpful!
PMed Nick and once have engine fitted end of this week will arrange a trip to UK! The engine I bought is from 2012 Golf R with 2000 miles on it. It's just run in and ready for remap!
Paul
-
Did you manage to get the matching ecu as well?
-
Did you manage to get the matching ecu as well?
Is matching ECU required or the existing ECU could be reprogrammed? My mechanic assured me that won't be an issue.
Paul
-
Here's a comparable K04 graph from another yon dynamics digital dyno:
http://www.sedox-performance.co.uk/dynoGraphs/Audi%20-%20Seat%20-%20Skoda%20-%20VW/Petrol/2.0%20TFSi%20230hp%20(ED30).htm
Spot the difference :confused:
-
You got p.m
-
Is matching ECU required or the existing ECU could be reprogrammed? My mechanic assured me that won't be an issue.
Paul
Old ecu can be used but matching ecu would better as you won't have to change any of the engine's original sensors.
-
R-Tech are undoubtedly very good, but surely you guys need to find someone local to you. What are you going to do when you change some hardware and need the map tweaking or it develops a fault. :happy2:
-
In here lies the problem. There is no one else :sad1:
As i said not even a Revo/Apr dealer
I think Paul is the same as me, there is no more hardware to go on :signLOL:
Agree 100% here with James!
The market is very small here and this guy who mapped my car and James is supposed to be the best around here! As what other tuners have commented on my RR graph this might not be the case.
I won't be making any changes to my hardware at all. Just need a reliable and safe map with the components I have on.
Paul
-
I cannot comment on the mapping, I know the tuner who wrote the map. I think the point he was trying to make was he was trying to map around the audiable surge point of the ko4 with a high flowing engine setup, it's a big job to set the ko3 maps to run with the ko4 and even more so when trying to eliminate the audiable surge point. A lot of the ko4 conversions I have seen most have not had the surge worked on, they give nice smooth graphs but flutter like mad.
The torque on the graph on page 1 is basically running with the boost being held back with fluctuations from the ecu PID controllers trying to keep the boost lower than the turbo natural spool profile.
I have ran a BWA engine to the max with a k04 setup, 404bhp 400lbft and the rods held up solid but the rings let go first, same with Dans Leon running a GT series also spat a ring before a rod.
Rods snap when they want to from, silly high peak cylinder pressures from high boost and torque, casting imperfections, continued elevated engine and oil temp, (the reason track days kill more engine than A road driving)
IMO it would be hard to kill a BWA engine with mapping, unless it was set to spike the boost at 30+psi
-
I cannot comment on the mapping, I know the tuner who wrote the map. I think the point he was trying to make was he was trying to map around the audiable surge point of the ko4 with a high flowing engine setup, it's a big job to set the ko3 maps to run with the ko4 and even more so when trying to eliminate the audiable surge point. A lot of the ko4 conversions I have seen most have not had the surge worked on, they give nice smooth graphs but flutter like mad.
The torque on the graph on page 1 is basically running with the boost being held back with fluctuations from the ecu PID controllers trying to keep the boost lower than the turbo natural spool profile.
I have ran a BWA engine to the max with a k04 setup, 404bhp 400lbft and the rods held up solid but the rings let go first, same with Dans Leon running a GT series also spat a ring before a rod.
Rods snap when they want to from, silly high peak cylinder pressures from high boost and torque, casting imperfections, continued elevated engine and oil temp, (the reason track days kill more engine than A road driving)
IMO it would be hard to kill a BWA engine with mapping, unless it was set to spike the boost at 30+psi
What do you mean my flutter nick? Do you mean "boost regualtion" flutter? Cos im sure i got a sh*t load of that on my stage 1 revo.
-
I think the APR dealer in N.I are called Autotune? Aaron McConway knows (AaronCupra on here) :happy2: