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LS short box · 03-02-2023, 05:41 PM

I would drive it and see what the shift points are like along with the torque converter lock up. I like to have the 4th gear engage and TCC lock up after 45 mph. Helps prevent lugging the engine.

03-02-2023, 05:41 PM	#4
LS short box Registered User Join Date: Jun 2015 Location: Carlos MN Posts: 1,954	Re: pcm adjustment I would drive it and see what the shift points are like along with the torque converter lock up. I like to have the 4th gear engage and TCC lock up after 45 mph. Helps prevent lugging the engine.