need help with a gt40 intake swap

[stangsteve94gt]

I'm putting out around 475hp but i'm also running a vortech supercharger with 12lbs of boost and whats funny is my aunt had the vortech put in then she gave it to me

 

[mikestang63]

http://www.tmossporting.0catch.com/

 

[mikestang63]

I'm putting out around 475hp but i'm also running a vortech supercharger with 12lbs of boost and whats funny is my aunt had the vortech put in then she gave it to me

stock block?

 

[stangsteve94gt]

has anyone done the gt40 swap and what kind of hp gain did you get or could you notice it cause im running a vortech supercharger with 12lbs of boost