I Have Always Been Into Mud Bogging(just For Fun) And Some Street Use(have To Beat All Imports, Or Try To

And I Am Starting Out With A Stock 350 From Factory. It Has Probably 8 Or 9k Miles On It Already. I Just Purchased A Set Of Bare Ls1 Heads, And Looking Into Rebuilding Those. I Also Have A Pair Of 3/4 Ton Axles On The Way That I Am Going To Put 4.56's In. I Want Alot Of Low End Torque W/ Mild Hp. Nothing Crazy. I Have A Close Budget. I Need Help With Easy Stuff That Will Get Me Going. Thanks.