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trans output shaft
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We dont get trans tuning, nor will we have it ever, as that is part of the PCM and not the ECM for us. The PCM will never be open to tuning lol. I am guessing the early cr trucks use a PCM as well,
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More coffee. It looked like you were responding to his post this morning. Yeah 27° seems like a lot for no studs, but that is at 3K rpms where it's needed and start of ignition won't be a
2001 24v auto 47re
truck seems to not want to shift into overdrive untill 55+ mph at light throttle. Wondering what other people experience with their trucks. I have 36" tires and 3.55 gears but my speedo is only 2mph fast verified with gps. It will shift most times at 57mph on the speedo and 55mph shown on my scanner reading the VSS.
From what I've researched overdrive is controlled by PCM once the apps, trans temp, output speed sensor parameters have been verified and not by the adjustment of the tv cable or fluid pressure. (Could be wrong). I drove with the scanner hooked up and verified the overdrive shift happens when voltage drops to the 3-4 shift solenoid at 55mph so it's working as designed. Is there a way to lower the overdrive shift speed? Even with the tall tires and tall gears it seems I'm always driving around town in 3rd gear locked around 2k rpm. I can get it to shift into 4th by letting off the throttle quickly above 40 mph but that gets annoying. I've searched and searched for days but didn't really come up with a solution.