12-18-2011, 10:36 AM | #15 |
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Drives: 2006 twin turbo Corvette Z06 Join Date: Nov 2011
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If you have a built trans, you need to be dealing with a very informed tuner. It gets a lot more complicated than just pushing around shift time tables and upping pressure. You can burn up the new clutches if it isn't set up right.
If the car is pushing, idle it down. You can run a lower idle in gear since the stall will load up the engine. |
12-18-2011, 11:02 AM | #16 | |
Drives: 2010 Camaro 2SS/RS - L99 - CGM Join Date: Apr 2010
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Quote:
The idea stemmed from HP Tuners threads where people were posting up their tunes and configs. I'm surprised no on has said anything here.
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2007 Corvette Z06 - Velocity Yellow
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12-18-2011, 11:43 AM | #17 |
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here is my tune if anyone would like to take a look. I appreciate any help
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12-20-2011, 08:27 PM | #18 |
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When do you need to start modifying the oncoming and offgoing settings and presets? I am still basically stock so shift timing and pressures have worked great for me.
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12-20-2011, 10:11 PM | #19 | |
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Quote:
Oncoming pressure is the pressure applied to the gear you're shifting into. Offgoing pressure is the pressure used to hold the current gear you're in. When a shift occurs, the offgoing pressure is used to keep the transmission in the current gear while the clutch pack fills with fluid (this is where the volume comes into play, as the volume presets are used to calculate fill time). Once the TCM thinks the clutch pack is filled, it will release the offgoing clutch and begin to engage the oncoming clutch. Different symptoms will drive different changes to the values. For example, an early flare in the shift versus a late flare in the shift indicate two different things that need to be adjusted. For the most part, leaving the pressure presets alone is the best bet. Volume definitely has to be adjusted with the upgraded clutch packs though. If you're getting a specific issue that volume isn't correcting, then it'd be wise to start looking into oncoming and offgoing presets. Those pressures are likely close enough to what they need to be that the TCM will eventually learn what it needs. A big thanks goes out to Chris at HP Tuners for the above information, which I basically reworded. |
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12-20-2011, 10:50 PM | #20 |
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Thanks Steve. I have efilive and am VERY limited on T43 tables. It has been so hard finding good support on theses things.
Mods can we get file extensions added to upload files where they are actually readable? I have tried 3rd party fileshare url's etc and they won't upload. |
12-20-2011, 10:58 PM | #21 |
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My name is Dave. Lol.
I don't do EFI Live. HP Tuners blows everyone away on 6L80/90 support. The moral of the story is don't touch 90% of the trans tables though. Haha. |
12-20-2011, 11:00 PM | #22 |
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I keep thinking I see Steve instead of Steck....lol
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12-21-2011, 10:01 AM | #23 | |
Drives: 2010 Camaro 2SS/RS - L99 - CGM Join Date: Apr 2010
Location: San Diego
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Quote:
Thanks Dave. I've seen a couple of your posts in HP Tuners forums. Appreciate the info.
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2007 Corvette Z06 - Velocity Yellow
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12-27-2011, 09:38 PM | #24 |
Drives: 2010 Camaro SS Join Date: Dec 2009
Location: Brentwood, CA
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Not a Camaro...
but still a built transmission nonetheless - 2007 LS7 Corvette with a 6L80E from Century.
For those of you that aren't familiar with my car from the CorvetteForum, I became Century's "test mule" back in 2009. The first one Mike built lasted only 83 passes but it's failure was from a part unrelated to the clutch pack upgrade. I installed the second one in September 2010 and after 399 low 10 second passes (as of 2 weeks ago) as well as just under 20K street miles it's still in the car as we speak and performing fantastically. Originally we thought it'd be fun to leave it in there just to see how long it'd last but later decided that it'd be better to open it up while it's still holding together just to see how everything is holding up to the abuse. I also have a tune I did for a friend's Corvette with 70K miles on a stock transmission and at least a few hundred passes if anybody's interested in seeing that. |
12-27-2011, 11:26 PM | #25 | |
Drives: 2010 Camaro 2SS/RS - L99 - CGM Join Date: Apr 2010
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Quote:
Thanks sub! In regards to the vette trans tunes, I hear they are quite a bit different because of the added weight in the Camaro. Have you tuned your Camaro to overcome the additional weight?
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2007 Corvette Z06 - Velocity Yellow
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12-31-2011, 06:30 PM | #26 |
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BTT , what happen
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01-03-2012, 09:21 AM | #27 |
Drives: 2010 Camaro 2SS/RS - L99 - CGM Join Date: Apr 2010
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Still working on it. I've got the first three gears to shift pretty good in Sport. It rows right through them afterwards and its hard to accelerate if I'm going over 50mph because the TCC isn't locking up.
I'm surprised there isn't anymore suggestions or help out there.
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01-03-2012, 09:43 AM | #28 |
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For each change you must also allow time for Adaptives to settle.
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