150 is the Max on your stock 5.0 I all most put a 100 shoot on my car but I wish to keep mine N/A but that is me. IT must be in good running and make sure you have good compression you will need a big fuel pump In tank and you may need a in line one as well. I really dont know to much about but there are some Good Guys here that will help you out Have fun
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14.62@96.9 Engine: Steal Mounts, Under drive pulleys, K&N, Home ported Lower Intake, No power steering, No A/C
Drive Train: 3.55, World Class T-5, Lakewood Bell housing, Adjustable Clutch Cable, AL Driveshaft
Suspension: MAC Control Arms, Maximum Motorsports Front Grip Package, H&R Sport Springs, Bilstein Shocks
Exhaust: 1 5/8 UN-Equal Length Mac Headers, X-pipe W\cats, Edelbrock cat\back
Cooling: 3 Core Radiator