hi, i am currently getting my engine rebuilt and putting it back into my r32 gtr and need to know if i can put on a set of -7 turbos without changing anything else like ecu, injectors, fpr? the simple reason is i dont have the money to do any further mods at the minute and would like to get rid of the old turbos - the only other mods done to date are ported cast manifolds, cat back exhaust and pod filters