decode the engine codes for us.
which one applies to the CTS please.
what engine codes are you talking about ? sorri i just dont understand the question..?
turbo chargin is stright forward if u have a welder !
right now i am in a process of gettin a new cts and puttin my Catera on the side to work on i will be buildin a custom turbo for the catera i will be using a big holset single turbo and for the manifolds i will use the factory ones and create adapters.... for tunnin you can use FMU .... or one of the best universal tuning devices MEGASQUIRT it takes a little time to get it all hooked up but its worth it.... i should be gettin the cts by the end of this week and i will start tearing apart the catera worsth thing is i have to wait for the weather to cler up a little i hurd the end of march there should be good weather ill keep you all uptodate you can catch me at www.homemadeturbo.com go and explte the website thats all i can tell you