A stray comment in retired fireman Garrett Moore’s man cave sent Pete Rudometkin slogging through the worst rains Northern California had seen in thirty years, chasing a 1970 Mustang fastback abandoned on a ranch between Petaluma and Rohnert Park. What he found was an R-code 428 Ram Air Cobra Jet Mach 1 — and buried in its build sheet, the W-code that made it genuinely rare. Read on for what that code means and why it changes everything.