Long body pumps

Rudolph

Senior Member
Dose anyone have the specs for the clearance for the long body pumps?

Clearance between gears and end plate
Clearance between pump body and gears

I am having a problem when I have 30 psi but it drops off sometimes and comes back up, I have replaced the releaf valve plunger and spring, cam gear is good and tight, pump was rebult with a NOS Argentine rebuild kit.
 
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