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**buffydores** · 06-21-2021, 11:05 PM

Every time I've run a tuned 5 speed or 6 speed, they've had that lurch you describe. It's a tuning deal. Nothing wrong with the transmission. Just need to find someone who can massage it.

06-21-2021, 11:05 PM	#4
buffydores Senior Member Join Date: Mar 2016 Location: Longview, TX Posts: 757	Re: 8L90 Swap Lockup Issues Every time I've run a tuned 5 speed or 6 speed, they've had that lurch you describe. It's a tuning deal. Nothing wrong with the transmission. Just need to find someone who can massage it.