Fiat 600 engine start-up after a decade + overhauled

Well this is my granddad's fiat 600 1962 model..Its rings have been replaced and its running on stock piston..The car remained in hibernation for a decade and now i am restoring it..This video shows its first start after overhaul..Alot of work is to be accomplished..My forum link if you want to follow the restoration project