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ddillenger
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« Reply #45 on: April 29, 2013, 02:26:26 PM »
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I have had a TCU with TIP file on it sitting on my desk for 4years, mine is a soldered version, if anyone thinks it could be of use, I will try to dump the file
You'll have to desolder the chip and read it in a programmer. |
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prj
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« Reply #46 on: April 30, 2013, 03:50:12 AM »
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My experience is that all this "quicker shift time" stuff is mostly hogwash.
All that the big tuners do is raise the torque limiter and modify the torque limits on upshift and downshift, so that torque is not reduced as much during shift.
But you can't feel almost any difference - even side by side runs...
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Mantis
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« Reply #47 on: April 30, 2013, 04:29:45 PM »
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You'll have to desolder the chip and read it in a programmer.
Not a problem, just need some direction and I'd be happy to do it. I do agree with PRJ, I never noticed the night and day difference that was claimed |
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16g-95gsc
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« Reply #48 on: May 01, 2013, 01:43:17 PM »
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I have a spare TCU that I would gladly donate to the cause if this can get underway. I would be willing to do legwork myself with guidance.
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prj
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« Reply #49 on: May 01, 2013, 02:10:03 PM »
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As I said, there's nothing really much to do apart from lifting the torque limiters.
I think most of the crap posted on the forums about this is just "I paid for it, so it must be better" type stuff.
The difference is almost nonexistent.
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nyet
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« Reply #50 on: May 01, 2013, 02:14:32 PM »
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Credence good ftw
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ddillenger
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« Reply #51 on: May 01, 2013, 02:20:34 PM »
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I can tell you of the tip chips I've seen, the differences have been very small, and not necessarily in the maps.
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Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your experience!
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phila_dot
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« Reply #52 on: May 01, 2013, 02:26:16 PM »
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As I said, there's nothing really much to do apart from lifting the torque limiters.
I think most of the crap posted on the forums about this is just "I paid for it, so it must be better" type stuff.
The difference is almost nonexistent.
If that's the case , then this can be done in the flash... |
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ddillenger
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« Reply #53 on: May 01, 2013, 02:30:39 PM »
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If that's the case , then this can be done in the flash...
I have been entrusted with a few examples, I was asked not to openly post them but I don't think the individual would have an issue if shared privately (with contributing members). |
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Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your experience!
Email/Google chat:
DDillenger84(at)gmail(dot)com
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prj
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« Reply #54 on: May 01, 2013, 03:02:31 PM »
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If you lie to the TCU about mdnorm, it's going to have incorrect pressure applied -> Trans slip, especially on RS6.
If you exceed the spec. mdnorm you are eventually going to hit limp mode.
I don't think this can be done in the flash.
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phila_dot
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« Reply #55 on: May 01, 2013, 03:05:05 PM »
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If you lie to the TCU about mdnorm, it's going to have incorrect pressure applied -> Trans slip, especially on RS6.
If you exceed the spec. mdnorm you are eventually going to hit limp mode.
I don't think this can be done in the flash.
I was talking about migs. Maybe I misunderstood your reference to torque limiters. |
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prj
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« Reply #56 on: May 01, 2013, 03:35:36 PM »
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I was talking about migs.
Maybe I misunderstood your reference to torque limiters.
migs is not the problem. If you lie to the ECU about migs and then mdnorm goes above migs the TCU is not going to like it. If you lie to the box about mdnorm then the shifting pressures will be wrong. The box needs to see the correct torque and it needs to request the correct torque limit. |
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phila_dot
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« Reply #57 on: May 01, 2013, 04:20:04 PM »
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Yea, I misunderstood you.
After reading your first post again, I get it.
I thought you meant that they were just raising migs_can.
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16g-95gsc
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« Reply #58 on: May 01, 2013, 04:59:06 PM »
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There has to be adjustments for line pressure, and shift strategy. The stock tip trans amazes me as it tries to shift into 5th at what is honestly 35mph. A line pressure increase, particularly at higher torque loads, would certainly help the clutch disks hold up to higher torque levels.
What values have you seen changed on TIPchips from OTS tuners?
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prj
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« Reply #59 on: May 02, 2013, 12:44:36 AM »
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There has to be adjustments for line pressure, and shift strategy. The stock tip trans amazes me as it tries to shift into 5th at what is honestly 35mph. A line pressure increase, particularly at higher torque loads, would certainly help the clutch disks hold up to higher torque levels.
What values have you seen changed on TIPchips from OTS tuners?
As I told you, this is not done by anyone. It's just yadda yadda. All they do to make the load dropout slightly smaller is change req torque during upshift and downshift... Which in turn somewhat increases line pressure, but as I said before, the difference is barely noticeable at all. |
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