The Eleven Thousand Mark

The valve failure permanently altered the way Ernest ran the development program.

Until that Thursday afternoon, the test fleet had operated under a simple, crude philosophy: drive the cars until something parted, drag the pieces back to the shop, and make the broken iron thicker.

Now, Ernest instituted a regime that made the shop foremen groan.

Every thousand kilometers, four cars were pulled from the rotation for a partial teardown. Cylinder heads were lifted to measure carbon accumulation; bearings were checked with lead wire to detect clearance creep; and oil samples were drained into glass vials, labeled, and held up to the light to check for suspended bronze or babbit dust.

T-18 became the shop's martyr. It was taken apart so many times that the apprentice mechanics began taking bets on whether the frame bolts would strip their threads from sheer familiarity.