Tom, Ford did an impressive Stress eval on that V6. The thermal Cycling is rather severe stress (we do that on all High-Rel Spacecraft hardware & it shows in SV lifetimes). The teardown for visual inspection (probably micrometer measures too) is an excellent EOL test measure. You can be proud that a good engineering organization still exists.
BTW; i got permission (this week) to release the PMD Stratostreak 24 Hour Bonney Salt Flat Lifetest done by PMD Engineering, led by Windeler.
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