I 'm looking to buy a 85 cucv k-30 with a 6.2 liter diesel in it. I wanted to know what upgrades are availabe out there. I know banks makes the sidewinder kit, but does anybody else offer anything? Can these trucks benefit from marine injectors? Or does somebody manufacture bigger injectors for it? I'm new to GM diesels and wanted to know how to get power out of these engines. Any info i can get would be wonderful. Thanks