Best 4l60e shift kit that does have a tranny tune also?
10-13-2009, 11:59 PM
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Best 4l60e shift kit that does have a tranny tune also?
What is the best recommended shift kit for a 2000 4l60e that has a Fuddle 3400 tc and 3.73 gears? Daily driving duty. And also with the tune whats the best route for the servos and which ones to replace? Has an almost .600 lift cam with a 114 lsa i believe.
10-14-2009, 08:52 AM
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Also remember Tom that the tune you have in there right now has no torque management. Line pressure is pretty low because it was tuned for a truck with a shift kit and servos. Normal driving the shifts weren't bad at all.
10-14-2009, 06:39 PM
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Actually....... I have increased mine some in the upper TQ areas to get the quick but not brutal shift.... You can log last shift time PID to show you how fast the shift took, then you just increase the pressure in SMALL amounts... because your supposed to zero out the shift times to disable adaptive shift learning... So IMO if the tranny was BRAND new then factory shift pressure would probably be OK, but if not increasing the pressure will help speed up the shift and actually make the tranny last longer... at least IMO
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10-14-2009, 11:53 PM
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Okay ive decided to leave the tune as is and do the transgo hd2, and billet intermediate superior/fairbanks along with the sonaxx overdrive billet servo. Looks like that should help ensure that the trans will last.