|
Title: KRTE 1.8 T 440CC @3BAR Post by: rickymix on May 28, 2016, 09:37:53 AM Hi everybody,
I have a problem with my krkte (stock -.> 010301) after doing the calcul I must have 0.7435 ... but it is much too poor and boost comes later than with the stocks injectors it starts very well, idling unstable I also changed the TVUB (as from 11.96V) could someone help me please? thank you in advance Title: Re: KRTE 1.8 T 440CC @3BAR Post by: nyet on May 28, 2016, 10:30:40 AM stock -.> 010301) after doing the calcul I must have 0.7435 Your new injectors are 72.1774584992 times larger than stock? Those are awful big injectors. Title: Re: KRTE 1.8 T 440CC @3BAR Post by: armageddon on May 28, 2016, 11:11:40 AM (old cc/new cc) x old KRKTE should be a good starting point
Title: Re: KRTE 1.8 T 440CC @3BAR Post by: rickymix on May 28, 2016, 11:13:10 AM Your new injectors are 72.1774584992 times larger than stock? Those are awful big injectors. Sorry, 0.07435 Title: Re: KRTE 1.8 T 440CC @3BAR Post by: rickymix on May 28, 2016, 11:13:57 AM (old cc/new cc) x old KRKTE should be a good starting point old :317cc new : 440cc Title: Re: KRTE 1.8 T 440CC @3BAR Post by: rickymix on May 28, 2016, 11:16:08 AM (old cc/new cc) x old KRKTE should be a good starting point sorry, stock krkte 0.10301 Title: Re: KRTE 1.8 T 440CC @3BAR Post by: rickymix on May 28, 2016, 12:11:43 PM i see an other method for calculating :
KRKTE * FLOW = CHEATNUMBER 0,10301 * 317cc = 32,65417 CHEATNUMBER / new FLOW = new KRKTE 32,65417 / 4400cc = 0,07421 i need just tune this? others tuners tune just FKKVS/FRLFSDP and a friend tune FKKVS/FRLFSDP and krkte but a see on forum, until 630cc i just need to tune KRKTE and TVUB right? Title: Re: KRTE 1.8 T 440CC @3BAR Post by: nyet on May 28, 2016, 01:50:26 PM Your new injectors are 72.1774584992 times larger than stock? Those are awful big injectors. Sorry, i had this backwards. KRKTE is inversely proportional to injector size. Title: Re: KRTE 1.8 T 440CC @3BAR Post by: rickymix on May 28, 2016, 04:37:15 PM Sorry, i had this backwards. KRKTE is inversely proportional to injector size. thanks so? for tvub I multiplied by 1.15 the map(5x1) I need to understand why it does not work fine... can u help me? Title: Re: KRTE 1.8 T 440CC @3BAR Post by: nyet on May 28, 2016, 06:15:40 PM for tvub I multiplied by 1.15 the map(5x1) Every injector has a completely different latency characterization. In theory, for a given injector, you can scale tvub by fuel pressure, but that scaling is also injector dependent. Scaling it by 1.15 makes zero sense in your case. Title: Re: KRTE 1.8 T 440CC @3BAR Post by: rickymix on May 28, 2016, 11:57:30 PM Every injector has a completely different latency characterization. In theory, for a given injector, you can scale tvub by fuel pressure, but that scaling is also injector dependent. Scaling it by 1.15 makes zero sense in your case. what do u mean? Title: Re: KRTE 1.8 T 440CC @3BAR Post by: nyet on May 29, 2016, 12:15:02 AM I'll rephrase; scaling TVUB according to flow rate is plain incorrect in every way.
Title: Re: KRTE 1.8 T 440CC @3BAR Post by: rickymix on May 29, 2016, 12:52:12 AM I'll rephrase; scaling TVUB according to flow rate is plain incorrect in every way. that you advise me then? Title: Re: KRTE 1.8 T 440CC @3BAR Post by: rickymix on May 29, 2016, 02:09:25 AM I'll rephrase; scaling TVUB according to flow rate is plain incorrect in every way. what is the formula to calculate the TVUB? Title: Re: KRTE 1.8 T 440CC @3BAR Post by: littco on May 29, 2016, 02:36:25 AM what is the formula to calculate the TVUB? There is no formula! You need to get the battery voltage settings for the injectors from the manufacture of the injectors, most can be found on line just search. As for the Krkte, just pick a value which you think it close the actual, probably based on the formula stated below and then do some logging, if the ecu is adding fuel then increase the krkte and if its taking fuel off then decrease it.... until the fuel trims are as close to 0 as you can be bothered. you have a 25% +/- to work with. Title: Re: KRTE 1.8 T 440CC @3BAR Post by: rickymix on May 29, 2016, 02:41:46 AM There is no formula! You need to get the battery voltage settings for the injectors from the manufacture of the injectors, most can be found on line just search. As for the Krkte, just pick a value which you think it close the actual, probably based on the formula stated below and then do some logging, if the ecu is adding fuel then increase the krkte and if its taking fuel off then decrease it.... until the fuel trims are as close to 0 as you can be bothered. you have a 25% +/- to work with. I just saw for voltage to the battery on the internet thank you very much I will test it and I will feedback Title: Re: KRTE 1.8 T 440CC @3BAR Post by: rickymix on May 29, 2016, 10:29:49 PM hi
when i tune TUVB (with battery offset of my injectors) idle are ok, but after 5000rpm car doesn't work fine ! new KRKTE is 0.07421(old is 0.10301) if TVUB not tune car work fine,but idle not good....(when i say not good, its not perfect,car run and dont stop...) maybe the battery offset are not this for my injectors (440cc 0280150558) idea? i pos my ori file krkte is 1CD52 (factor 0,000111, precision 5) TVUB is 15460 (factor 0,002667, precision 4) can help me please? Title: Re: KRTE 1.8 T 440CC @3BAR Post by: Carsinc on May 29, 2016, 10:57:01 PM At this point I have to ask for a log. I'm really not sure where this is going wrong.
Title: Re: KRTE 1.8 T 440CC @3BAR Post by: rickymix on May 30, 2016, 01:29:52 AM At this point I have to ask for a log. I'm really not sure where this is going wrong. Title: Re: KRTE 1.8 T 440CC @3BAR Post by: nyet on May 30, 2016, 01:44:31 AM ME7L, not VCDS
Title: Re: KRTE 1.8 T 440CC @3BAR Post by: rickymix on May 30, 2016, 02:36:03 AM Title: Re: KRTE 1.8 T 440CC @3BAR Post by: rickymix on May 30, 2016, 02:46:28 AM i see its kwp2000
but can i to have a tuto for use it please ? Title: Re: KRTE 1.8 T 440CC @3BAR Post by: vwaudiguy on May 30, 2016, 08:39:35 AM but can i to have a tuto for use it please ? Take a look on YouTube. "Me7logger" Title: Re: KRTE 1.8 T 440CC @3BAR Post by: nyet on May 30, 2016, 01:01:16 PM Have you read any of the s4wiki yet?
http://s4wiki.com/wiki/Tuning#Logging_utilities |