BTW mine is set to 11.7. I don't see why you couldn't have it set to stock. No need to be pumping in all that extra fuel. I guess if you set it to stock and see knock somewhere try setting it back to 11.7 and see if the knock goes away? Maybe someone with more knowledge than me (other than you ) will post and let us know what is up with this table.

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Red 2dr 99 GTP: Z7 t66, A/A IC'd, Custom Heads, 65# Inj, ST2 Cam, Meziere Elec Pump, JP Double Roller(with machined crank gear), Plogs, PLX W/B, Powrtuner

99 Regal GS (work car)