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"without blowing her up....."
Is it your stock bottom end?
You have a good tuner?
05 tranny and diff? There are limitations with 05's, I learned that fast.
Good luck.
Whats the compression on that engine? Lower the compression, by forging pistons,push rods,crank,cam,internals, maybe you can use the same block without upgrading it.Sum cheat juice also
blower grind cam with springs to suit, and heads if you want to help the cause... CNC LS3 heads and intake would be great for your goal...
and pulley her for more boost...
also if your running a single nozzle on the methanol injection system, upgrade to a dual nozzle set up...
as for tranny and rear end, that one is just a crap shoot... been there done that, got the trophy and the T shirt...
You should be able to pulley down and up the meth on your setup and gain quite a bit. I would look into the Dallas Performance big mouth intake for the Procharger kit as well.