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Thanks for the replys guys, it is getting leaner and im am adding values to the maf table.

My cousin finally got a wideband on his truck, it doesnt have any major mods other than shorty headers,exhaust,cai. I told him long ago not to descreen the maf but he did it anyways. Well with the...

Thanks for the replys guys, a guy on another forum said he got the 4l60e tune to work with the 80e without the segment swap and he said also that it does not unlock with the 4l60e tune. But idk if Id...

I just read on another forum it is a normal thing with 80e that when you let off the throttle the converter unlocks, is there a way to fix this? The converter locks up great and holds fine till I let...

How does it work and affect the lean cruise? Im kinda stumped, I have the lean cruise set-up and working great but im wanting to know how this works?

Thanks in advance!