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Engine Identification: Notes

NOTE: 330" engine painted gold, 400" engine painted bronze, 425" engine painted red.

Prefix and suffix letters to "Engine Unit Number" indicate engine type, horsepower, compression ratio, and other characteristics.

Number stamped on front of right cylinder head as follows:

Engine & Horsepower Prefix Suffix
  330" 250 HP W None
  260 HP X None
  310 HP X L
  320 HP W or X G
400" 350 HP V None
425" 300 HP M L
  310 HP M None
  365 HP N None
  375 HP N S
  385 HP N T