I ran into a guy that has a set of venolia's for sale. He's not sure of the diamater but they are slightly larger than an 836 piston 850 maybe?. The compression ratio is high maybe 14 to 1, I wonder if they could be used in an F2 engine with the large combustion chamber. Maybe a thick head gasket? He did find rings, just couldn't remember the bore size. Probably not enough info for an answer, any guesses?
