I have a 5.0 MPI w/B3. I have 94 hours on the motor. I'm having to fill the lube reservoir after every 4 hours of run time. There's some lube in the bilge but I can't say for sure if it's from spill or a leak. I read in a thread where a lube leak was determined to be the ''connector valve''. All others usually narrow it down to one or more seals ...