Newbie, but not an idiot...need a couple clues
Dec 19, 2006, 06:16 PM
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Newbie, but not an idiot...need a couple clues
I've got an HKS drop-in air filter and a Buschur TBE. I've been thinking about mailing off the ECU for a reflash, but saw someone in another thread suggest using EcuFlash. From what I've read, I think I'd need a Tactrix cable, EcuFlash, a laptop, and a map provided by a reputable tuner. Anything else?
And the procedure is, roughly, hook everything up, grab a copy of the stock maps, and reflash with the new map?
So who sells EcuFlash flashes? I want one that doesn't fiddle with the boost at all because I autocross in the STU class. I also want a safe, conservative tune.
I don't have any plans to self tune, at this point, but if that changed, I guess I'd also need datalogging software and wideband A/F? Anything else?
And the procedure is, roughly, hook everything up, grab a copy of the stock maps, and reflash with the new map?
So who sells EcuFlash flashes? I want one that doesn't fiddle with the boost at all because I autocross in the STU class. I also want a safe, conservative tune.
I don't have any plans to self tune, at this point, but if that changed, I guess I'd also need datalogging software and wideband A/F? Anything else?
Dec 19, 2006, 06:21 PM
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obviously the best thing is a tune, however, he was asking about and eflash, and you are right on with everything you need.... you pick a tuner, dynoflash, ams, you name it, they tune it lol..... but searching has paid off, and you seem to know what you need
Dec 20, 2006, 09:01 AM
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I've got an HKS drop-in air filter and a Buschur TBE. I've been thinking about mailing off the ECU for a reflash, but saw someone in another thread suggest using EcuFlash. From what I've read, I think I'd need a Tactrix cable, EcuFlash, a laptop, and a map provided by a reputable tuner. Anything else?
And the procedure is, roughly, hook everything up, grab a copy of the stock maps, and reflash with the new map?
So who sells EcuFlash flashes? I want one that doesn't fiddle with the boost at all because I autocross in the STU class. I also want a safe, conservative tune.
I don't have any plans to self tune, at this point, but if that changed, I guess I'd also need datalogging software and wideband A/F? Anything else?
And the procedure is, roughly, hook everything up, grab a copy of the stock maps, and reflash with the new map?
So who sells EcuFlash flashes? I want one that doesn't fiddle with the boost at all because I autocross in the STU class. I also want a safe, conservative tune.
I don't have any plans to self tune, at this point, but if that changed, I guess I'd also need datalogging software and wideband A/F? Anything else?
1. Tactrix cable
2. A "map"
3. A computer to load the map (not necessarily a laptop but it's much more convenient)
If you're the type to simply buy a map and drop it in...great but I think that it'd be much better to actually create your map on your own.
If you wanted to do that, you'd need a wideband...but if you had a cable and laptop already, that's it.
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Dec 20, 2006, 03:15 PM
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Can someone explain in one or two sentences how wideband sensors are used to tune? Do you just make the maps as aggressive as possible without letting the A/F ratio drop too low?
To self-tune, I guess you need a logger, wideband, and tuning s/w, in addition to the stuff required to reflash. And the logging/tuning s/w has to be compatible with the logging h/w and wideband sensor? I've got a g2x logger, for which there's an NTK wideband available. Any chance that could be used for tuning?
To self-tune, I guess you need a logger, wideband, and tuning s/w, in addition to the stuff required to reflash. And the logging/tuning s/w has to be compatible with the logging h/w and wideband sensor? I've got a g2x logger, for which there's an NTK wideband available. Any chance that could be used for tuning?
Dec 20, 2006, 04:17 PM
#9
You basically said it yourself.. Within reason, you set your AFR and try to stick to it, while adding a bit of timing, watching for knock, etc...
There's really no magic to tuning, its about balancing power and reliability. It takes a little bit of experience to do it right, but as long as you keep the engine fairly rich, don't overdo the boost, and don't run timing too aggressive, you'll be fine. Timing is probably the hardest concept to grasp, but if your old school, then you probably have a bit of experience with engine theory.
There are different locations in the maps (different RPM's and whatnot) where the engine's volumetric efficiency, and overall cylinder pressure, will affect the timing you can run, its really not all that difficult, but you always have to start with a stock map, and understand what it is the stock map is actually doing.
There's really no magic to tuning, its about balancing power and reliability. It takes a little bit of experience to do it right, but as long as you keep the engine fairly rich, don't overdo the boost, and don't run timing too aggressive, you'll be fine. Timing is probably the hardest concept to grasp, but if your old school, then you probably have a bit of experience with engine theory.
There are different locations in the maps (different RPM's and whatnot) where the engine's volumetric efficiency, and overall cylinder pressure, will affect the timing you can run, its really not all that difficult, but you always have to start with a stock map, and understand what it is the stock map is actually doing.
Dec 20, 2006, 06:53 PM
#10
Timing is probably the hardest concept to grasp, but if your old school, then you probably have a bit of experience with engine theory.
There are different locations in the maps (different RPM's and whatnot) where the engine's volumetric efficiency, and overall cylinder pressure, will affect the timing you can run, its really not all that difficult, but you always have to start with a stock map, and understand what it is the stock map is actually doing.
There are different locations in the maps (different RPM's and whatnot) where the engine's volumetric efficiency, and overall cylinder pressure, will affect the timing you can run, its really not all that difficult, but you always have to start with a stock map, and understand what it is the stock map is actually doing.
Dec 21, 2006, 03:40 AM
#11
Can someone explain in one or two sentences how wideband sensors are used to tune? Do you just make the maps as aggressive as possible without letting the A/F ratio drop too low?
To self-tune, I guess you need a logger, wideband, and tuning s/w, in addition to the stuff required to reflash. And the logging/tuning s/w has to be compatible with the logging h/w and wideband sensor? I've got a g2x logger, for which there's an NTK wideband available. Any chance that could be used for tuning?
To self-tune, I guess you need a logger, wideband, and tuning s/w, in addition to the stuff required to reflash. And the logging/tuning s/w has to be compatible with the logging h/w and wideband sensor? I've got a g2x logger, for which there's an NTK wideband available. Any chance that could be used for tuning?
Dec 21, 2006, 04:05 AM
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Yes, thanks, as I said in the first message, I have no plans to self-tune at this time. I'm trying to educate myself. So can you answer my questions or not?
Dec 21, 2006, 04:26 AM
#13
Can someone explain in one or two sentences how wideband sensors are used to tune? Do you just make the maps as aggressive as possible without letting the A/F ratio drop too low?
To self-tune, I guess you need a logger, wideband, and tuning s/w, in addition to the stuff required to reflash. And the logging/tuning s/w has to be compatible with the logging h/w and wideband sensor? I've got a g2x logger, for which there's an NTK wideband available. Any chance that could be used for tuning?
To self-tune, I guess you need a logger, wideband, and tuning s/w, in addition to the stuff required to reflash. And the logging/tuning s/w has to be compatible with the logging h/w and wideband sensor? I've got a g2x logger, for which there's an NTK wideband available. Any chance that could be used for tuning?
Evoscan and Mitsulogger are the two logging software applications that many are using on this site (although there are others).....I am not familiar with the g2x logger, but it currently does not appear to be integrated with Evoscan....MJ can comment about Mitsulogger...
Best of luck
Dec 21, 2006, 04:29 PM
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Evoscan and Mitsulogger are the two logging software applications that many are using on this site (although there are others).....I am not familiar with the g2x logger, but it currently does not appear to be integrated with Evoscan....MJ can comment about Mitsulogger...
http://www.g2xtreme.com/main.htm
I guess if none of the software supports it it could be used in a more manual way for tuning, but that wouldn't be as useful.
Thanks for the info, everyone.
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