Ok, just finished a hydraulic valve replacement, and something is bugging me. The valve I replaced was a pin type normally closed hydraulic valve. The hydraulic conversion kit I purchased instead of acquiring a new pin type, only had instructions for converting to a normally open hydraulic system. I see a minimum of 6 normally closed systems for each one normally open. Toro claims that the normally open hydraulic valve is/was the most common. What about what you guys are servicing? The repsonse list here will be short, but chip in if you can.