Originally Posted by birdman71

Next step for you with that supercharger is to dyno it and see what whp you are pushing now

Stock Z with the mods that are on there run around 270-290whp or so (correcet me if I am a bit off anyone)
just depends on the brand and what aerodynamic performance they have included in the product.
Remember to do a lot of supporting mods with the supercharger now on the car otherwise you might blow the engine.