Re: FMX pump mod question...July 16 2010 at 5:09 PM
from IP address 126.96.36.199
Response to FMX pump mod question...
The drain back holes in this pump are adequate.
The problem was probably a combination of wear on the bushing, seal and convertor.
You can cut a bit of a relief in the bushing though.
Use a dremmel and cut a groove in the bushing as wide as the return hole.