Anyone had issues with a big block fuel pump before....Mine is seeping or leaking from the screws all around the top. I'm assuming it is causing a vaccum leak of sometype. I took it out and drove around 25, 30 miles or so with no issues, then all of a sudden it bogged or made some slight hesitations as i feathered the gas pedal. Then just died. It did not start back up right away. But after waiting about 5 minutes and trying again, it started up,and i drove home with no further issues......do these pumps typically leak, or should i remove it and address. It had a new diaphrame kit installed at rebuild.