Stock 4.3 with turbo kit not wanting to upgrade to marine manifold because I don?t want too much money invested in this build it?s all eBay turbo parts hot side was fabricated by myself wanting to do a maf tune because I don?t have speed density os options. I need some tips or some tunes to get me started because I don?t know what the hell im doing? and any other tunes I can do to get more hp out of this truck