Our injectors are rated at 43.5psi(pretty much the standard rating these days). The ford's w/ the "19lb" injectors typically run 38psi as Adam said above. I've had some mid 90's yellow tops flow tested before and they were all around 212-214cc/min for what it's worth. Depending on where you find your conversion info, you'll end up with slight different lbs/hr results. No matter what they actually flow, they're plenty for almost any TGP w/ a stock turbo unless you have a really aggressive tune.
I'm sending off a set of yellow tops to have them cleaned + flow tested soon. I might toss a stock TGP injector in the box with them and have the company that's cleaning them for me flow test it as well so we'll have an apples to apples comparison for once...
