does anyone know what other gm or other model hydro boost units that will bolt up to the stock holes on a 72 chevelle? i know they make the premade kits but looking to save some cash thanks. brandon

if you go to the junkyard, look for a g body that had a diesel engine(olds)-i think their the same bolt pattern(meas yours first) if your looking to get one because of not enough vac., some caddies had vac. pumps, you can get them cheap, wire it to your brake light switch