Following my several gx390 questions, this is what happened:
I order a racing head, with more compression and bigger valves.
After inserting the racing head and the reinforced pushrods, engine works fine but after 5 minutes i get engine oil everywhere, seems that oil leaks from engine block.
I order a racing head, with more compression and bigger valves.
After inserting the racing head and the reinforced pushrods, engine works fine but after 5 minutes i get engine oil everywhere, seems that oil leaks from engine block.