hey mate, putting the rb25 in2 a cefiro is sooo easy hey, use rb20 engine mounts on the motor, im pretty sure u dont hav 2 bang nething 2 make it fit, just 1 piece tailshaft, etc, n diff gearbox mounts im pretty sure, we used the rb25 ecu on mine, but modded it in2 the rb20 harness under the dash so everything stayed the same, if u want the guys number who did mine ill try n get it hes in brisbane.