How much hp would a 96 gmc sierra have?

[Notspamful]

and how much horsepower would it have if it had a supercharger

 

[Molson02536]

and how much horsepower would it have if it had a supercharger

Here is a link that should interest you. http://www.wynjammer.com/ALM1115/GM_Full_Size_Vortec.html, and don't forget to upgrade your 4L60E transmission if you like to keep your Sierra running for more then a month.

Good luck and keep us posted.