I know there are a few differant mods out there but i am looking for the one using a 6 position rotory swich with the 11.1125 crystal in place not the 11.32.58 i know it was in one of those master tune up mod books i think number 3 but not sure anyone have this if i cant find that one the one with 11.3258 will work to if anyone has it thax.