I was looking at the maps offered by Cobb. I regularly get 93 octane at my local gas station by my house. However sometimes when I get fuel by my work they only have 91. To make things less complicated I was thinking about running the stage 1 91 octane map at all times. My question is if I run the stage 1 91 octane map can I put 93 in it with out doing any damage? or should I just switch the maps whenever I fill up at work or home? or should I just always look for 93/91 octane depending on what map I choose?