Oh, I see it now Tex..you are right. I found a pic on CG of a guy using this valve on an Oscar. He even moved the tee so I'm sure it will work for what I want to do and the matter of flow restriction at the pump isn't important to my mod anymore.
I'm still
curious but this OPV solves the need to know. I was driving around thinking about choke shots on non OPV machines and have halfway convinced myself the vibe pump would be ok if somebody used a regulating valve place of an OPV but for under $40 I'm not going to be the one to test it....this valve will be perfect for what I'm planning to do.