I have been using the Stanadyne and when I cannot get to the supplier, Amsoil. No wonder I needed a new IP after only 90K of use. That was my third pump, put on at 110,000 miles by the dealer just before the warranty ran out on the PMD issue.
Guess I'll switch.
1999 6.5 Suburban with factory towing package, 200k miles, 4-inch exhaust, marine injectors, SS Diesel ECM, Amsoil front to rear, OPS mod, Battery bolt mod, 2-0 battery wires, oil line mod, remote mount PMD/FSD, main bearing girdle, rebuilt trans in 2011
1982 Suburban, 6.2 unknown miles, rebuilt injectors, rebuilt IP, new front of engine, including rad in 03, rebuilt trans in 2010, new oil pump, rear main seal, main bearing girdle 2012