horsepower

I am looking to gain the most horsepower while keeping 3.8 any and the best suggestions please?

Hello again buick lovers, my beast is almost complete! now that the body work is almost done...time too go onto the engine i have the 5.7 l05 in the 1992.. and i know, i know, i should get the Lt1, and i want it, but i do like the TBI. eventually ill do an engine swap bur for now.. I was...