chbears

sup I'm new to this forum stuff I got a r10 truck and I'm getting ready to do some customizing to it new paint new interior new rims ect... this is my problem it has a new crate factory 350 5.7 with only 4800 mi. on it.and I want to boost up the performance with out a lot of money and I want to stay with throttle body not carb I'm very mechanically inclined so I ca do all the work my self I just never tried to get more horse power out of an engine before dose any body have any input I would really appreciate it thanks