I would like to know how much those mods are worth. With all the bolt on I did and Free mods I was not happy with my numberson the dyno. Time to get some tuning to the PCM. I would like to sent to Allen but I want to be able to do it myself. (I think) in Houston and he run rich were he lives. I would like to know it was step up for were I live. Allen from the post you got you do a great job on LS1 Edit but I would like to be able to do myself.