Is there any issue with whether or not the hyper ball bearing test has any relation to what our ips do? I don't know enough about how an Injection pump works to be able to interpret the type of lubrication needed.

One thing in the study that I liked was that it hinted at the fact that there are lubrication additives in the uls diesel to begin with so it may be an exercise in futility to add anything to the tank other than diesel.

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77' 300D, "Cartman" SOLD @ 150K (didn't know what I had)
83' 300SD, "The Superdon" 325k+ @ 28mpg
95 E320 wagon, "Millennium Falcon" 231k+ @ 24 Mpg
95 E300D, "Sherley" 308k @ 33.69 Mpg, currently anticipating a head
99 Suzuki Intruder "Trudy" @ 45 mpg