porting and polishing?

it can be done by yourself, but it is not recommended. you could buy used lx head for like $100. practice on the spare head. you can use a dremel with a sander on it. you would port the exhaust and intake ports. you will also then need to port match your intake manifold and exhaust mani. you won't gain a crazy amount of hp from a PnP. honestly though man, save some $$ for a motor. the lx motor ain't to peppy. here's a pic of my head after the PnP at the shop