Originally posted by Vito_Corleone
Your harness and shit, ecu, that's all i can think of.
Keep the integra harness in the integra ; civic harness in the civic etc.(it wont go into the civic)
Keep the motor mounts in each cars (dont swap any of them.
ON THE BLOCKs swap out the top drivers side mount bolted to the blocks via the 3 14mm.
Swap ecus from car to car.
Wire secondary ITBs into the CIVIC unless you are using a skunk2 intake manifold. (Now is the perfect time install one.)
Secondary Intake Butterflys is a26 in a 96-98 civic/integra
Also swap the throttle cables from car to car.
Do not swap the radiator hoses from car to car.
Make sure you swap ac brackets so you both can retain a/c.