Originally Posted by JEFASOLD

To clear things up a bit. If you aren't running lean, there can be an advantage to the bigger injectors in that the duty cycle will be lower and thus may add some reliability in that area, without actually increasing performance. Your choice of the 178 pulley is good, with the 181 crank pulley and that SC pulley you will be exceeding the safe limits of RPM on the SC pulley bearing.