Good question Tod, I just deburr everything real good, make sure everything operates smoothly, loc-tight the cover bolts weld pick tube and be done with it.
I've always run Melling HV pumps, never had any problems.
I have heard about the powered metal gear problem(s) but I have yet to see one that has failed>
I'd Like to know more about it and when the switch to powered metal gears was made.
Anybody?
Now if money is not a object then go with a Titan, they are bulletproof.
www.titanspeed.com
Cp