i have a 1998 civic hatchback with a 1999 b18c1 my brother bought a k20a3 motor and 5 speed tranny to put in a civic hatchback if he ever got one ,but now he is think of selling it ,but it is missing the ecu, harness ,starter and alternator,i've been looking for parts but all the parts i can find are for k20a2 harness,ecu and starter and alternator,are the parts compatible,is it worth to swap the motor going from b18c1 to a k20a3 thing of turbo the k20a3 just to change motor will lower mile...please feel free to give me some info.....