ZF8 shift pressures and timing - for Steven@HP

[james1595]

wtf are you doing?

why would anyone put a convertor in a street car on a street tire...

and 3.70's too?

what is wrong with you? lol

last week on the last pass i forgot to put the trans in sport mode (see shift id 5) \/ \/ \/

tune is commanding shift at dss 1250 but as you can see its 100+ rpm over that

tune for normal mode was not opening the E solenoid quick enough, nor was it closing C quick enough, so it nicked the limiter

i since have redone entire trans tune. no more need to put it in sport. test tmrw

Can you share what you did? Im having a problem where my car does not want to shift into second at wide open throttle. No matter what i do it wont shift until i hit the limiter. Even had it set to shift at 5000 rpm, still went to 6700rpm

[LilSick]

what do you have selected for 44825 and the two below it 2048,2049?

post the tune

[james1595]

im not sure what tables those are, i couldnt find them, but i can post the tune for you to look
9-23-2023.hpt

[LilSick]

some of the switches mighta got switched in the software updates

the 3 i mentioned ^^^

try this

[ezhik89rus]

Hello everyone, please tell me, in my firmware there is a parameter:

[TCM] 46950 - TCC Performance Mode Maximum Gear: The maximum gear allowed to activate torque converter performance mode.

I'm a little unsure, but its description is probably incorrect, like most HP tuners, but from the factory the throttle percentage is not lower than 90%, and the gear is 0. Is it worth specifying up to 6-7 gears to increase the efficiency of ZF8 when tuning...
Mood box, but I decided to look into it in more detail, to understand the process...
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