CTS-V, mod'd, with issues

[Goat Roper]

http://culturegarage.com/2008/01/02/it-felt-like-the-whole-house-was-going-to-blow-up/

[Cryptic]

sounds like crossed plug wires

[BAD LS1]

heh thats typicall when relocating the coil packs, people often loose track of which coil is for what cylinder. Im sure that is what happend here.