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Discussion Starter · #1 ·
So I'm trying to assess the use of a few scalars for transmission controls over and above what is documented in my available resources.

Only about 20 percent of the list here from my Mark VIII calibration using Tweecer are defined, the rest is a mystery to me.

There are more than 80 scalars, i've grouped a few.
Need a really good tuner's dictionary.


Scalar (US=upshift, DS=downshift) Factory Value
Closed Throttle Relock Delay 2
Multiplier on cap for unlocks 0.5
Multiplier on cap locked to slipping 1.5
OL upshift to 2nd 1.5
OL upshift to 3rd 0.65
OL upshift to 4th 0.4
RPM to shift into 2 in manual 1 7000
time to hold conv cl when applying 0.75
trans 2nd DS slip target duration 3
trans 3rd DS slip target duration 3
trans min time 2nd prior 2-1 0
trans min time 2nd prior 2-3 1.5
trans min time 3rd prior 3-2 0.05
trans min time 3rd prior 3-4 1.8
amount of RPM drop to signal conv is locking 600
amount of desired converter slip during shift 50
closed loop US to 2nd 0.5
closed loop US to 3rd 0.5
closed loop US to 4th 0.5
downshift slope into 1 0.23
downshift slope into 2 0.2
downshift slope into 3 0.15
gear to lock in to 4
max time for converter slip w/AC 5
max vehicle accel rate for anticipated shifting 1000
max TV 1 (2 and 3) 95
filter for desired slip during shifts 0.4
filter for desired slip higher TP 0.6
filter for desired slip lower TP 0.8
min TP for torque reduction on shifts 148
min TV (Pwr Off, Pwr On, Non-shift) various
min speed ratio to lock 0.7
nonshift slope 1 0.218
nonshift slope 2 0.3
nonshift slope 3 0.35
nonshift slope 4 0.35
pressure ramp 12shift 0
pressure ramp 23shift 0
pressure ramp 34shift 0
pressure offset 1st gear -13
pressure offset 2nd gear -10
pressure offset 3rd gear -12
pressure offset 4th gear -10
ramp open max time 5
ramp open slip 8
switch to lock converter 0
switch to lock in gear 0
switch to use RPM activated shifts 0
switch to use forward engagement curve always 0
TP to not unlock w/brake 150
TP to open conv at closed throttle 9
time for DS into 3rd to complete 1.5
time for DS to complete 1.5
time for US to complete 3
time to allow for conv slip w/AC 0.1
time to complete engagement 3
time to delay conv lk after 12 0
time to delay conv lk after 21 8
time to delay conv lk after xy various
time to delay conv lk after WOT 0
time to delay manual 1 override 1
time to remain locked closed throttle 4
time to use pressure for manual shift 2.5
torque conv lockup rate after tip-in 200
torque conv lockup rate after US 400
torque conv lockup rate w/high TP 500
torque limit table 3rd gear locked conv 400
torque limit table 4th gear locked conv 400
trans WOT shift rpm 12 (23 and 34) various
US slope into 2 0.218
US slope into 3 0.21
US slope into 4 0.199
 

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483 Posts
pheeeeeeeew.that's info overload.
 

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I love my AOD ;)
 

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Johnny Five is Alive, TCCoAAC Member
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1,614 Posts
I love my aftermarket tcs :)
 
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