Help smoothing out a tuning ridge

Been messing with this for awhile and having trouble finding out why i have this ridge in the VE table and on my logs. Also appreciate and suggestions or directions on the rest of my SD tune. Car is an 04' GTO LS1, mast heads, cam 234/231 .624 .624 +2, Fast 102mm intake, NW 102 TB, Sieman Deka 60lb inj., Kooks long tubes.
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You tuning with a wideband? I usually like using the narrowbands for light load calibrations especially on cammed cars. numbers seem to stay a little more steady. Also make sure your DFCO is disabled.

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Originally Posted by tramotorsports

You tuning with a wideband? I usually like using the narrowbands for light load calibrations especially on cammed cars. numbers seem to stay a little more steady. Also make sure your DFCO is disabled.

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DFCO disabled, Stft and ltft disabled, using Aem wideband in eio1 input.