Here is my final tune for my 2006 Pontiac GTO M6 E40 PCM with Flex enabled.
My Mods are:
DSX Tuning Flex fuel conversion, DW300C pump, FIC650 Injectors, DUSpeed OTR CAI, Magnaflow 3" "competition" cat back system, Stock manifolds and cats.
On a dynojet, this tune put down 357rwhp on 92 octane and 367 on E85