bossmang FREAKY Donating Members 12,423 Member For: 14y 11m Gender: Male Location: Melbourne Posted 08/07/20 11:50 AM Share Posted 08/07/20 11:50 AM oh I didnt even know haltech could do that! Link to comment Share on other sites More sharing options...
Puffwagon Puff Gold Donating Members 15,906 Member For: 9y 9m 27d Gender: Male Location: South Australia Posted 08/07/20 12:22 PM Share Posted 08/07/20 12:22 PM Tune switching is available on the stock pcm which can have multiple tunes. The stock pcm can also tune the ZF transmission, which the haltech can't. If you run a plugin haltech you have to use another program to tune the ZF transmission, which will be PCMTec if you are going to a workshop. Stock pcm = good. Haltech = good. They're different things for different purposes but imho there would have to be a compelling reason to switch from the stock/custom os pcm to a haltech. Link to comment Share on other sites More sharing options...
Typhoon Member 564 Member For: 20y 2m 2d Gender: Male Posted 08/07/20 01:14 PM Share Posted 08/07/20 01:14 PM Im not completely across the PCMTec stuff but I can tell you that line pressure can be adjusted through the modification of the torque model table within the Haltech software. Shift point load can also be adjusted along with torque reduction responses. You cant adjust shift schedules or overlaps. You can’t adjust any torque reduction requests. That needs to be done directly through OBDII writing to the TCM. You can turn off torque reduction although I think this is ignition cut for smaller reductions rather then larger cut requests. If you run a stock rev limit and run a stock TCM tune you can actually make some changes using the Haltech. Although this is not directly writing to the TCM, its just modifying advertised torque data to the transmission to get it to respond differently. Im hearing some of the best ZF tunes run surprisingly stock files. Im curious to know how the PCMTec stuff writes to the TCM through the ECU? Or is it a direct flash to the TCM. Link to comment Share on other sites More sharing options...
Puffwagon Puff Gold Donating Members 15,906 Member For: 9y 9m 27d Gender: Male Location: South Australia Posted 08/07/20 01:28 PM Share Posted 08/07/20 01:28 PM @rollex can field this one for the most part. In my experience the ZF file doesn't get changed much for stock hardware. Link to comment Share on other sites More sharing options...
Typhoon Member 564 Member For: 20y 2m 2d Gender: Male Posted 08/07/20 01:55 PM Share Posted 08/07/20 01:55 PM I know of a dead stock TCM tune being used on a $10000 built box. 850hp engine. All the “tuning” as such is done from within the Haltech! 1 Link to comment Share on other sites More sharing options...
Upinder Member 114 Member For: 12y 3m Posted 09/07/20 03:25 AM Author Share Posted 09/07/20 03:25 AM (edited) 15 hours ago, Puffwagon said: Tune switching is available on the stock pcm which can have multiple tunes. The stock pcm can also tune the ZF transmission, which the haltech can't. If you run a plugin haltech you have to use another program to tune the ZF transmission, which will be PCMTec if you are going to a workshop. Stock pcm = good. Haltech = good. They're different things for different purposes but imho there would have to be a compelling reason to switch from the stock/custom os pcm to a haltech. don't quote me but haltech will be able to do zf stuff soon that is what I been told. PCMTEC has come a long way. The reason I went haltech is I got EGT in my car, staged fuel setup, nos, co2 boost control. if any one is going haltech just remb that plug in play ecu does not come with many input and out put I had to get two I/o box to make sure I had enough. Edited 09/07/20 03:32 AM by Upinder 2 Link to comment Share on other sites More sharing options...
Puffwagon Puff Gold Donating Members 15,906 Member For: 9y 9m 27d Gender: Male Location: South Australia Posted 09/07/20 03:34 AM Share Posted 09/07/20 03:34 AM That's fair enough. With the power you're running you really want the most amount of tunability and safety features possible. Link to comment Share on other sites More sharing options...
Upinder Member 114 Member For: 12y 3m Posted 09/07/20 09:33 AM Author Share Posted 09/07/20 09:33 AM on the money! Link to comment Share on other sites More sharing options...
bossmang FREAKY Donating Members 12,423 Member For: 14y 11m Gender: Male Location: Melbourne Posted 09/07/20 11:02 AM Share Posted 09/07/20 11:02 AM I think that switch thing is a bloody ripper idea havent seen it before I want it. back in the day we had to pull over and flop out the xcal and sit there for 15 minutes in a servo and upload different tunes lol Link to comment Share on other sites More sharing options...
k31th less WHY; more WOT Site Developer 28,992 Member For: 16y 7m 15d Gender: Male Location: Melbourne Posted 09/07/20 11:16 AM Share Posted 09/07/20 11:16 AM 15min is a slight exaggeration, but yeah... xcals are fine. Link to comment Share on other sites More sharing options...
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