i'm going to be strating a new turbo project,after blowning up my prelude,(fork should be posting pics. of the carnage soon) 1971 chevelle twin turbo Engine83-cid 8.5:1 compession Mangement:full programable feul injection Turbos: t3 Target boost: 14-16 psi Target hp: 600-750 just need some suggestions on the turbo trim size. i'm thinking 50 trims should do, but what do you guys think? thanks