The last seal that I put in was one of the fast fish one piece seals and retainer setups. I've only ran the car for about 10 minutes and it hasn't leaked. Just hoping to find out the cause so that this one doesn't start leaking.
When did you install the new seal and retainer ???
You changed two items at the same time so at this time there is no way to know which may have been at fault.
The most recent time I changed it, I swapped in a new retainer with the one piece seal, since I bought it as a kit. Every other time I changed just the seal, or the engine builder did, it leaked.