... In an earlier post, there was mention that the damper should be matched to the crank. So, that means keep the orange damper and re-do the timing marks? Or use the blue damper to keep the timing tab/marks where they are with the blue set up?.. .
318's are neutral balanced so the balance is the same for both dampers. You have to pull the dampers to swap timing covers. Plus there is a difference with attaching bolts for the pulley between early and late 318's. Not really a big deal, you can deal with it, but why? Your call.