Hello, I just bought a 1999 Dodge ram 1500 4x4 with the 318 in it and I'm kinda new to working on my own cars so here's my question where is the best place to start to kinda build this motor for some performance but mainly low end torque and pulling power, any advice and tips are greatly appreciated

 

First and foremost, address the plenum.
End-all Be-all plenum thread - DodgeForum.com

The go here. Read up.
2nd Gen Ram FAQs, DIYs & How To's - DodgeForum.com