Shift firmness?
07-21-2008, 12:34 AM
#1
Shift firmness? I've been tweaking my friends A4 car, first one I've messed with.
I was able to get it to shift better, but it was too much. It would bark the tires (new Nittos) when shifting while just driving around normally, especially bad when going around corners.
Here's the table I was tweaking the most (it's stock in this pic).
I set all tables from 180 ft lb down to stock and it would still do it when driving around (<25% throttle) and it would still do it.
From what tables on up are included in the normal WOT threshold?
I want it to shift hard at WOT, but not when driving normally. How do you guys normally do this? The car has a few bolt ons and a 3.42 rear end.
For now I just set them back to stock until I can figure something out.
Thanks for the help.
-Casey "I <3 T-56's" Spears
I was able to get it to shift better, but it was too much. It would bark the tires (new Nittos) when shifting while just driving around normally, especially bad when going around corners.
Here's the table I was tweaking the most (it's stock in this pic).
I set all tables from 180 ft lb down to stock and it would still do it when driving around (<25% throttle) and it would still do it.
From what tables on up are included in the normal WOT threshold?
I want it to shift hard at WOT, but not when driving normally. How do you guys normally do this? The car has a few bolt ons and a 3.42 rear end.
For now I just set them back to stock until I can figure something out.
Thanks for the help.
-Casey "I <3 T-56's" Spears
07-21-2008, 08:13 AM
#2
What kind of car is this from?
I see all the pressure settings are changed, just about every table. Does it have a shift kit?
I built my trans, I changed a few things in that table above, minor changes in the desired shift time, and the upshift pressure modifiers. Thats all I changed.
My trans shifts more firm as power increases.
I made changes in only areas that needed it, I never needed to scale a whole table.
I see all the pressure settings are changed, just about every table. Does it have a shift kit?
I built my trans, I changed a few things in that table above, minor changes in the desired shift time, and the upshift pressure modifiers. Thats all I changed.
My trans shifts more firm as power increases.
I made changes in only areas that needed it, I never needed to scale a whole table.
07-21-2008, 05:04 PM
#3
This is from a 2000 Z28, sorry lol. The trans is stock. Car has lid, full exhaust, t-stat, and 3.42's. He is throwing in a stall soon, so I wanted to start familiarizing myself with stuff now.
We were running out of time, so I just reset the trans tables back to stock and he went back home. The only stuff that should be changed from stock is the shift points/etc. I used the new gear ratio/autoscale feature to change that. I also left the TCC Max/Min changed to 100/90 going by what I've been reading on HPTuners forum.
We were running out of time, so I just reset the trans tables back to stock and he went back home. The only stuff that should be changed from stock is the shift points/etc. I used the new gear ratio/autoscale feature to change that. I also left the TCC Max/Min changed to 100/90 going by what I've been reading on HPTuners forum.
07-21-2008, 05:50 PM
#4
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I have, what I think, is the perfect A4 tune. It's based on jimmyblue's and I modified it a good bit to suit my needs. Feel free to check it out. Just to let you know, pretty much all the tranny tables have been modified. Oh, and the TCC works WAY better than stock.
07-21-2008, 06:16 PM
#5
I would LOVE to check that tune out ive been going back and forth with my auto's tune for so long now. Now my only problem is I have efilive, any ideas on how to get around that?
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07-21-2008, 07:05 PM
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As long as the table axies are the same (or at least inverted) and the actual tables are the same, the excel file way should work. Either copy and paste or paste special invert. Just let me know, and I'll try and help.
In case anyone is wondering, shifting is firm (but not tire chirping firm) on normal driving, but the deeper into the throttle you go, the harder it gets. It holds in gear a tad longer than stock, shift times are much quicker, and TCC works wonderful.
In case anyone is wondering, shifting is firm (but not tire chirping firm) on normal driving, but the deeper into the throttle you go, the harder it gets. It holds in gear a tad longer than stock, shift times are much quicker, and TCC works wonderful.
07-23-2008, 09:22 AM
#11
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That would be awesome if you could, I've been trying to save and open in excel and whatnot and its just not working, looks like egyptian... I dunno
RickyMartinZ28@aol.com
That'd be sweet.
-Rick
RickyMartinZ28@aol.com
That'd be sweet.
-Rick
07-23-2008, 11:21 AM
#12
If possible i would really like a copy of that in excel file also. I am also tuning with tuner cats and always trying to get the trans shifting better.. my E-mail is lt170chevelle@yahoo.com.
07-23-2008, 02:08 PM
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I'm looking into buying a 1970 El Camino SS 396... Mint Green and its in awesome shape as far as rust.
On your dash do you have PRNDL above the steering column and square vents? I've been looking and it seems most of that year have round vents and gauges...
-Rick
On your dash do you have PRNDL above the steering column and square vents? I've been looking and it seems most of that year have round vents and gauges...
-Rick