Originally posted by jeffreylin
Nope. The suspensions are all different, so is the drivetrain. They might share the one way gear actually but nothing else. The only useful thing you can really take from the Evo3 other than the screws, ball ends, trun buckles, are the shocks, suspension blocks and servo mount.
Plus, you can use your diff cups too, so you won't need to be another set of reinforced diff cups for the Evo IV.