Back on the road for my cheap Ferrari 308 - but only just

Finally i get to drive the InfluEnzo, my cheap Ferrari 308 on the road after the rebuild. But all is not good. There are misfires and not all the cylinders seem to be running.
FULL INFLUENZO EPISODE LIST: • InfluEnzo - Ferrari 30...
ULEZ petition to reduce classic car age from 40 to 30 years: petition.parli...