differences in tuning stock vs built transmissions

Click on the "SUBSCRIBE" tab to sign up. I will not respond to technical questions unless you are a paid subscriber. Calibration and Config files will not open directly from the site, they must be downloaded to your computer in order to open.

NEW!!!

I will make one calibration change for an additional $100 per change. For example, changing a shift point for a given gear is $100 vs changing a shift point and a pressure setting would be $200. That value can be used towards the full custom tuning price.

6 posts / 0 new

Last post

Thu, 05/27/2021 - 22:50

#1

RIOSRACING

differences in tuning stock vs built transmissions

hello all,

I used this forum years ago when i first got into tuning 6LX and 8LX transmissions with great results. ive renewed my membership today as im running into a new issue.

ive tuned many stock trans and stock converter cars including ctsv2's with near 1000 wheel hp with great results, my typical method is running the info through the bluecat trans tool for shift and converter lockup> slightly raising line pressure and eq ratio in torque coefficients> multiply oncoming pressure presets by 1.15 , tqmgt moddifier table to -.5 in high rpm and high load, and .2 sec shift times along with the usual by the book things and no issues at all.

NOW . .. . ive been doing some built and stalled transmissions and they are giving me hell and im burning/welding clutches together /breaking parts. i believe (after some digging and talking to builders) that this same method is too much pressure and causing a bind between 2 gears. I am also curios as to if the oncoming pressure presets and volumes need to be lower than stock with the added clutches/ material of the standard circle D stage 3 rebuild kit. so far ive burn up a 3,5,LR clutch pack twice, and broken a 4,5,6 input shaft twice. On a v2 that makes 901 rwhp blower only. so basically, how different should my method be between a 800-900hp stock trans car and a built trans car ?

Subscribe today to see the replies on this topic.

You are here

differences in tuning stock vs built transmissions

Click on the "SUBSCRIBE" tab to sign up. I will not respond to technical questions unless you are a paid subscriber. Calibration and Config files will not open directly from the site, they must be downloaded to your computer in order to open.

NEW!!!

I will make one calibration change for an additional $100 per change. For example, changing a shift point for a given gear is $100 vs changing a shift point and a pressure setting would be $200. That value can be used towards the full custom tuning price.