I have searched and searched reading many pages on this forum and have not found a direct answer on what dis. i should buy.. here is my problem the vac assist dis i need to install is about a half inch short.... check the picture... Is this not a worry or will the vac advanced dis oil pump not reach the rod??? Can anyone get me a exact year and make of a dist. that will work in my 85 302 motor that was converted to carb?? THANKS