Need some advice,,,am gonna get a turbo for the ole beast,,,it is 91 f250extended cab 5 spd with a flatbed,,,strait pipe out the rear ,,,186000 miles on it,,,gooseneck hookup,,,,will haul a hell of a lot of hay ,,,runs d$%#~!~$#mn good,,,jus want some more outa it,,,,can someone out there give some good scholarly advice on what to look for in a turbo kit,,,,dont have bottomless pockets so economics play a major factor here,,,but still want somethin that works good and is affordable,,,,any advice will be taken