surging when converter is locked
surging when converter is locked Just installed a Circle D converter in my G8 GT and I noticed when cruising with my foot on the gas at say 45 with the converter locked the RPM's will jump about 200-300 rpm then come back down every few seconds. It's almost like the torque converter is unlocking then locking quickly. Normal?
Just talked to the speed shop/tuner and they said that it is very common for the 6L80 6 speed auto to surge a bit with an aggressive stall. Very reputable shop that is a sponsor on a lot of LS sites.
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FormerVendor
Joined: Jan 2014
Posts: 323
Likes: 3
That much slip make me nervous. It could damage the clutch/clutches. We have seen the desired slip tables zeroed out and had the car behave otherwise. I would have your tuner monitor actual slip in real time. That will give us a better understanding of what may be going on.
-Brian
-Brian
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Log it and see if the slip RPM is going up and down, 0-200 range. If so it sounds like the desired slip tables did not flash correctly in the tune. I have seen a few occasion where even though it says the tables are zero, they are not. The fix was a completer re-write with a GM MDI.
Chris
Chris
