FixVault

Engine Code Designation

Fifth figure of "Vehicle Warranty Number" on car patent plate identifies engine as follows:

Engine Code Letter
289" 2-Bbl. C
  4-Bbl. A
    Hi Perf K
390" 2-Bbl. Synchro-mesh Y
    Auto. Trans. H
  4-Bbl. Except GT. Z
    GT S
427" 4-Bbl. W
  Two 4-Bbl. R
428" 4-Bbl. Q
  Police P