idropurbox
Well-Known Member
- Joined
- Oct 19, 2007
- Messages
- 50
What is he difference between a disk valve motor and a drum valve motor. I have an OPS .45 and I know that they made both types, how do I know which one I have. Which one is better? Also mine has the slide type carb and I was reading the NAMBA rules for sport 40 and if I understood correctly the rules state that you must run the rotating barrel type carb. Is this true?