Originally Posted by Evo348

i just installed my hallman MBC and in first gear it peaks at 25, so does in second, 3rd gear peaks at 30!!! i just want my psi to spike at 20 but stay at 19psi all the way through red line. how do i do this? is the boost controlled installed in the wrong position? i think the barb has to be facing down right? please post me any links with mbc installations on evos thanks in advance