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Matt TuneTime · 06-29-2009, 01:55 PM

If you have a L99 they have no trans support that I'm aware of and there is very little power to be gained from the ECM on a L99 .

06-29-2009, 01:55 PM	#3
Matt TuneTime Drives: 2008 G8 gt / 2010 Camaro L99 Join Date: Oct 2008 Location: Lakewood Posts: 193	If you have a L99 they have no trans support that I'm aware of and there is very little power to be gained from the ECM on a L99 .