Jason, thanx for the info and the link about carburators and cmf. You say, 600cmf it can be ok for normal driving, i understand that as as "it will never make your engine overstrain it's a security to keep it long time in good shape" Is it true?
Irish, thanx for the newbs info link, I find lot of things about my car, as the place where it was made, i keep it in my favorits to can regulary go to see if i find answer for my questions before posting on the forum.