I'd be inclined to check the leads are undamaged and replace the spark
plugs/air filter. Not enough air and too much fuel will bog a car down,
so will not enough spark. Plugs should run about $4 each for NGK copper,
do NOT use Bosch plugs in a Japane...
I actually can't see a problem myself with selling replicas online (for
BIN). As long as they aren't asking genuine prices. Some things I just
drool over but no way could I afford them (or want to pay that much for
anything). I just picked myself up ...