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ENGINE SPECIFICATIONS
THE ENGINE NUMBER is located on the boss on the right side of the cylinder block below the pushrod cover. The starting serial numbers are as follows:
SERIES NUMBERS
40 6240100-4
50 6240100-5
70 6240100-7

NOTE: The last digit of the engine number identifies the series.

SPECIAL SERIES
ENGINE
CODE
NO.
CYL
CID
HORSE
POWER
COMP.
RATIO
CARB
TRANS
none
8
263
120
6.6:1
2BC
STD
none
8
248
128
7.2:1
2BC
AUTO

SUPER SERIES
ENGINE
CODE
NO.
CYL
CID
HORSE
POWER
COMP.
RATIO
CARB
TRANS
none
8
263
124
7.2:1
2BC
STD
none
8
263
128
7.2:1
2BC
AUTO

ROADMASTER SERIES
ENGINE
CODE
NO.
CYL
CID
HORSE
POWER
COMP.
RATIO
CARB
TRANS
none
8
320
152
7.2:1
2BC
AUTO