i need help deciding what turbo or if i want to run twins i have a s366 and s475 was planning on running twins on my duramax powered s10 it will be a track only truck and i am running an air to water intercooler just want to get yalls opinion and what kind of numbers are being put down with either or both of these turbos i have a 366 on my 02 now and love it thanks for any input