Here is my L99 Stock tunes for you to look at. Hope this helps.
Ron
Here is my L99 Stock tunes for you to look at. Hope this helps.
Ron
2014 Silverado 4X4 6.2L
2010 Camaro 2SS-RS L99
2007 Sierra Denali 6.2L
2005 1500HD 4X4 Quadrasteer 6.0L, COS3 SD