Thread: porting blower confusion / how the eff do i do it

Originally Posted by matt5112

The "timing" being what?

The rotors have to be "timed" to leave proper clearance between the rotors at all times.

So playing with "timing" of the rotors relative to each other is impossible.

Perhaps you're referring to playing with changing the "overlap" between when a rotor is open to the inlet and to when it seals against the side of the case. Like-wise with the outlet.

Thanks for editing your post .

What I was talking about was the lead ins to the rotor. At the "rear" of the case you can start filling the rotor valve earlier by altering the lead ins. that is the part on the outside of the bearings leading into the rotor opening