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Willys & Jeep 1950s General Specs
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Year Prod
Total		 Model
Designation		 Wheel
base
Inches		 Weight
Min/Max		 Tire
Size		 Wheel
Bolt
Pattern		 Valve
Location		 Bore
and
Stroke		 Piston
Dis
place
ment
Cubic
Inches		 Com
pres
sion
Ratio
(Stan
dard)		 Maximum
Brake
H.P.
@
R.P.M.		 Maximum
Torque
Lbs. Ft.
@
R.P.M.		 Normal
Oil
Press
Lbs		 Spark
Plug
Type		 Spark
Plug
Gap		 Point
Gap		 Dwell
Angle		 Firing
Order		 Ignition
Timing
BTDC
or
Mark		 Grnd
+/-
Volts
1950 26,624 Jeep 4 CJ-3A 80 2110/2110 6.00x16 5 x 5.5 In Block 3 1/8 x 4 3/8 134 6.48 60 @ 4000 105 @ 2000 35 AN7 .030 .020 42 1342 5° -6
32,218 Station Wagon 4 4-73 104 2818/2895 6.70x15 5 x 5.5 F-Head 3 1/8 x 4 3/8 134.2 7.40 72 @ 4000 114 @ 2000 35 J8 .030 .020 42 1342 5° -6
Station Wagon 4 4x473 104.5 3136/3174 6.70x15 5 x 5.5 F-Head 3 1/8 x 4 3/8 134.2 7.40 72 @ 4000 114 @ 2000 35 J8 .030 .020 42 1342 5° -6
Station Wagon 6 6-73 104 2831/2895 6.70x15 5 x 5.5 In Block 3 1/8 x 3 1/2 161 6.90 75 @ 4000 117 @ 1600 35 J8 .030 .020 39 153624 5° -6
5,834 Jeepster 4 VJ 104 2459/2468 6.40x15 5 x 5.5 F-Head 3 1/8 x 4 3/8 134.2 7.40 72 @ 4000 114 @ 2000 35 J8 .030 .020 42 1342 5° -6
Jeepster 6 VJ 104 2392/2485 6.40x15 5 x 5.5 In Block 3 1/8 x 3 1/2 161 6.90 75 @ 4000 117 @ 1600 35 J8 .030 .020 39 153624 5° -6
1951 76,571 Jeep 4 CJ-3A 80 2110/2110 6.00x16 5 x 5.5 In Block 3 1/8 x 4 3/8 134 6.48 60 @ 4000 105 @ 2000 35 AN7 .030 .020 42 1342 5° -6
24,627 Station Wagon 4 4-73 104 2818/2818 6.70x15 5 x 5.5 F-Head 3 1/8 x 4 3/8 134.2 7.40 72 @ 4000 114 @ 2000 35 J8 .030 .020 42 1342 5° -6
Station Wagon 4 4x473 104.5 3174/3174 7.00x15 5 x 5.5 F-Head 3 1/8 x 4 3/8 134.2 7.40 72 @ 4000 114 @ 2000 35 J8 .030 .020 42 1342 5° -6
Station Wagon 6 6-73 104 2831/2831 6.70x15 5 x 5.5 In Block 3 1/8 x 3 1/2 161 6.90 75 @ 4000 117 @ 1600 35 J8 .030 .020 39 153624 5° -6
1952 88,098 Jeep 4 CJ-3A 80 2108/2108 6.00x16 5 x 5.5 In Block 3 1/8 x 4 3/8 134 6.48 60 @ 4000 105 @ 2000 35 AN7 .030 .020 42 1342 5° -6
12,890 Station Wagon 4   104 2818/2818 6.70x15 5 x 5.5 F-Head 3 1/8 x 4 3/8 134 7.40 72 @ 4000 114 @ 2000 35 J8 .030 .020 42 1342 5° -6
Station Wagon 4 4x4 104.5 3174/3174 7.00x15 5 x 5.5 F-Head 3 1/8 x 4 3/8 134 7.40 72 @ 4000 114 @ 2000 35 J8 .030 .020 42 1342 5° -6
Station Wagon 6   104 2831/2831 6.70x15 5 x 5.5 In Block 3 1/8 x 3 1/2 161 6.90 75 @ 4000 117 @ 1600 35 J8 .030 .020 39 153624 5° -6
7,474 Aero Lark 6 675 108 2487/2487 5.90x15 5 x 4.5 In Block 3 1/8 x 3 1/2 161 6.90 75 @ 4000 124 @ 2000 35 J7 .030 .020 39 153624 5° -6
12,819 Aero Wing 6 685 108 2570/2570 5.90x15 5 x 4.5 F-Head 3 1/8 x 3 1/2 161 7.60 90 @ 4000 135 @ 2000 35 J7 .030 .020 39 153624 5° -6
8,706 Aero Ace 6 685 108 2584/2584 5.90x15 5 x 4.5 F-Head 3 1/8 x 3 1/2 161 7.60 90 @ 4000 135 @ 2000 35 J7 .030 .020 39 153624 5° -6
2,364 Aero Eagle 6 685 108 2575/2575 5.90x15 5 x 4.5 F-Head 3 1/8 x 3 1/2 161 7.60 90 @ 4000 135 @ 2000 35 J7 .030 .020 39 153624 5° -6
1953 70,938 Jeep 4 CJ-3A 80 2108/2108 6.00x15 5 x 5.5 In Block 3 1/8 x 4 3/8 134 6.48 60 @ 4000 105 @ 2000 35 AN7 .030 .020 42 1342 5° -6
Jeep 4 CJ-3B 80 2098/2098 6.00x16 5 x 5.5 F-Head 3 1/8 x 4 3/8 134 6.90 72 @ 4000 114 @ 2000 35 J8 .030 .020 42 1342 5° -6
5,417 Station Wagon 4   104 2818/2818 6.70x15 5 x 5.5 F-Head 3 1/8 x 4 3/8 134 7.40 72 @ 4000 114 @ 2000 35 J8 .030 .020 42 1342 5° -6
Station Wagon 4 4x4 104.5 3174/3174 7.00x15 5 x 5.5 F-Head 3 1/8 x 4 3/8 134 7.40 72 @ 4000 114 @ 2000 35 J8 .030 .020 42 1342 5° -6
Station Wagon 6   104 2850/2850 6.70x15 5 x 5.5 In Block 3 1/8 x 3 1/2 161 6.90 75 @ 4000 117 @ 1600 35 J8 .030 .020 39 153624 5° -6
186 Aero Heavy-Duty 6 675A 108 2511/2511 5.90x15 5 x 4.5 In Block 3 1/8 x 3 1/2 161 6.90 75 @ 4000 125 @ 2000 35 J7 .030 .020 39 153624 5° -6
15,896 Aero Lark 6 675A 108 2487/2509 5.90x15 5 x 4.5 In Block 3 1/8 x 3 1/2 161 6.90 75 @ 4000 125 @ 2000 35 J7 .030 .020 39 153624 5° -6
6,170 Aero Falcon 6 675A 108 2507/2529 6.40x15 5 x 4.5 In Block 3 1/8 x 3 1/2 161 6.90 75 @ 4000 125 @ 2000 35 J7 .030 .020 39 153624 5° -6
12,433 Aero Ace 6 685A 108 2585/2735 6.40x15 5 x 4.5 F-Head 3 1/8 x 3 1/2 161 7.60 90 @ 4000 135 @ 2000 35 J7 .030 .020 39 153624 5° -6
7,018 Aero Eagle 6 685A 108 2575/2575 6.40x15 5 x 4.5 F-Head 3 1/8 x 3 1/2 161 7.60 90 @ 4000 135 @ 2000 35 J7 .030 .020 39 153624 5° -6
1954 7,598 Jeep 4 CJ-3B 80 2306/2306 6.00x16 5 x 5.5 F-Head 3 1/8 x 4 3/8 134 6.90 72 @ 4000 114 @ 2000 35 J8 .030 .020 42 1342 5° -6
1,597 Station Wagon 4   104 2381/2381 6.70x15 5 x 5.5 F-Head 3 1/8 x 4 3/8 134 7.40 72 @ 4000 114 @ 2000 35 J8 .030 .020 42 1342 5° -6
Station Wagon 6 4x4 226 104.5 3278/3278 7.00x15 5 x 5.5 In Block 3 5/16 x 4 3/8 226 7.30 115 @ 3650 190 @ 1800 35 J8 .030 .020 39 153624 4° -6
Station Wagon 6 6-85 104 3115/3115 6.70x15 5 x 5.5 F-Head 3 1/8 x 3 1/2 161 6.90 75 @ 4000 117 @ 1600 35 J8 .030 .020 39 153624 5° -6
2,852 Lark 6 685B 108 2623/2661 5.90x15 5 x 4.5 F-Head 3 1/8 x 3 1/2 161 6.90 75 @ 4000 125 @ 2000 35 J7 .030 .020 39 153624 5° -6
2,575 Ace 6 685B 108 2682/2709 5.90x15 5 x 4.5 F-Head 3 1/8 x 3 1/2 161 7.60 90 @ 4000 135 @ 2000 35 J7 .030 .020 39 153624 5° -6
84 Eagle 6 685B 108 2778/2778 6.40x15 5 x 4.5 F-Head 3 1/8 x 3 1/2 161 7.60 90 @ 4000 135 @ 2000 35 J7 .030 .020 39 153624 5° -6
1,197 Ace Deluxe 6 6-226 108 2751/2778 6.40x15 5 x 4.5 In Block 3 5/16 x 4 3/8 226 7.30 115 @ 3650 190 @ 1800 35 J8 .030 .020 39 153624 4° -6
660 Eagle Deluxe 6 6-226 108 2847/2847 6.40x15 5 x 4.5 In Block 3 5/16 x 4 3/8 226 7.30 115 @ 3650 190 @ 1800 35 J8 .030 .020 39 153624 4° -6
499 Eagle Custom 6 6-226 108 2904/2904 6.40x15 5 x 4.5 In Block 3 5/16 x 4 3/8 226 7.30 115 @ 3650 190 @ 1800 35 J8 .030 .020 39 153624 4° -6
1955 47,432 Jeep 4 CJ-3B 80 2134/2134 6.00x16 5 x 5.5 F-Head 3 1/8 x 4 3/8 134 6.90 72 @ 4000 114 @ 2000 35 J8 .030 .020 42 1342 5° -6
Jeep 4 CJ-5 81 2164/2164 6.00x16 5 x 5.5 F-Head 3 1/8 x 4 3/8 134 6.90 72 @ 4000 114 @ 2000 35 J8 .030 .020 42 1342 5° -6
14,679 Station Wagon 4   104 2831/2831 6.70x15 5 x 5.5 F-Head 3 1/8 x 4 3/8 134 7.40 72 @ 4000 114 @ 2000 35 J8 .030 .020 42 1342 5° -6
Station Wagon 6 4x4 226 104.5 3278/3278 7.00x15 5 x 5.5 In Block 3 5/16 x 4 3/8 226 7.30 115 @ 3650 190 @ 1800 35 J8 .030 .020 39 153624 4° -6
Station Wagon 6 6-85 104 3115/3115 6.70x15 5 x 5.5 In Block 3 5/16 x 4 3/8 226 7.30 115 @ 3650 190 @ 1800 35 J8 .030 .020 39 153624 4° -6
3,170 Custom 6 6-226A 108 2751/2778 6.40x15 5 x 4.5 In Block 3 5/16 x 4 3/8 226 7.30 115 @ 3650 190 @ 1800 35 J8 .030 .020 39 153624 4° -6
2,156 Bermuda 6 6-226A 108 2847/2847 6.40x15 5 x 4.5 In Block 3 5/16 x 4 3/8 226 7.30 115 @ 3650 190 @ 1800 35 J8 .030 .020 39 153624 4° -6
659 Ace 6 6-226A 108 2709/2709 6.40x15 5 x 4.5 In Block 3 5/16 x 4 3/8 226 7.30 115 @ 3650 190 @ 1800 35 J8 .030 .020 39 153624 4° -6
1956 23,488 Jeep 4 CJ-3B 80 2134/2134 6.00x16 5 x 5.5 F-Head 3 1/8 x 4 3/8 134 6.90 72 @ 4000 114 @ 2000 35 J8 .030 .020 42 1342 5° -6
Jeep 4 CJ-5 81 2164/2164 6.00x16 5 x 5.5 F-Head 3 1/8 x 4 3/8 134 6.90 72 @ 4000 114 @ 2000 35 J8 .030 .020 42 1342 5° -6
Jeep 4 CJ-6 101 2225/2225 6.00x16 5 x 5.5 F-Head 3 1/8 x 4 3/8 134 6.90 72 @ 4000 114 @ 2000 35 J8 .030 .020 42 1342 5° -6
Jeep 4 DJ-3A 80 1968/2205 6.50x15 5 x 5.5 In Block 3 1/8 x 4 3/8 134 6.48 60 @ 4000 105 @ 2000 35 J8 .030 .020 42 1342 5° -6
Station Wagon 4 475 104 2746/2944 6.70x15 5 x 5.5 F-Head 3 1/8 x 4 3/8 134 7.40 72 @ 4000 114 @ 2000 35 J8 .030 .020 42 1342 5° -6
Station Wagon 4x4 4 475 104.5 2951/3174 7.00x15 5 x 5.5 F-Head 3 1/8 x 4 3/8 134 7.40 72 @ 4000 114 @ 2000 35 J8 .030 .020 42 1342 5° -6
Station Wagon 6 4x4 226 104 2118/2311 6.70x15 5 x 5.5 In Block 3 5/16 x 4 3/8 226 7.30 115 @ 3650 190 @ 1800 35 J8 .030 .020 39 153624 4° -6
Station Wagon 6 226 104 3055/3278 7.00x15 5 x 5.5 In Block 3 5/16 x 4 3/8 226 7.30 115 @ 3650 190 @ 1800 35 J8 .030 .020 39 153624 4° -6
1957 22,005 Jeep 4 CJ-3B 80 2132/2132 6.00x16 5 x 5.5 F-Head 3 1/8 x 4 3/8 134 6.90 72 @ 4000 114 @ 2000 35 J8 .030 .020 42 1342 5° -6
Jeep 4 CJ-5 81 2163/2163 6.00x16 5 x 5.5 F-Head 3 1/8 x 4 3/8 134 6.90 72 @ 4000 114 @ 2000 35 J8 .030 .020 42 1342 5° -6
Jeep 4 CJ-6 101 2225/2225 6.00x16 5 x 5.5 F-Head 3 1/8 x 4 3/8 134 6.90 72 @ 4000 114 @ 2000 35 J8 .030 .020 42 1342 5° -6
Jeep 4 DJ-3A 80 1709/2004 6.50x15 5 x 5.5 In Block 3 1/8 x 4 3/8 134 6.48 60 @ 4000 105 @ 2000 35 J8 .030 .020 42 1342 5° -6
Station Wagon 4 F4-134 104 2746/2944 6.70x15 5 x 5.5 F-Head 3 1/8 x 4 3/8 134 7.40 72 @ 4000 114 @ 2000 35 J8 .030 .020 42 1342 5° -6
Station Wagon 6 4x4 226 104.5 3008/3057 6.70x15 5 x 5.5 In Block 3 5/16 x 4 3/8 226 7.30 115 @ 3650 190 @ 1800 35 J8 .030 .020 39 153624 4° -6
Station Wagon 6 226 104 2859/3206 6.70x15 5 x 5.5 In Block 3 5/16 x 4 3/8 226 7.30 115 @ 3650 190 @ 1800 35 J8 .030 .020 39 153624 4° -6
1958 22,523 Jeep 4 CJ-3B 80 2132/2132 6.00x16 5 x 5.5 F-Head 3 1/8 x 4 3/8 134 6.90 72 @ 4000 114 @ 2000 35 J8 .030 .020 42 1342 5° -12
Jeep 4 CJ-5 81 2163/2163 6.00x16 5 x 5.5 F-Head 3 1/8 x 4 3/8 134 6.90 72 @ 4000 114 @ 2000 35 J8 .030 .020 42 1342 5° -12
Jeep 4 CJ-6 101 2225/2225 6.00x16 5 x 5.5 F-Head 3 1/8 x 4 3/8 134 6.90 72 @ 4000 114 @ 2000 35 J8 .030 .020 42 1342 5° -12
Jeep 4 DJ-3A 80 1709/2004 6.50x15 5 x 5.5 In Block 3 1/8 x 4 3/8 134 6.48 60 @ 4000 105 @ 2000 35 J8 .030 .020 42 1342 5° -12
Station Wagon 4 FA-134 104 2746/2944 6.70x15 5 x 5.5 F-Head 3 1/8 x 4 3/8 134 7.40 72 @ 4000 114 @ 2000 35 J8 .030 .020 42 1342 5° -12
Station Wagon 4x4 4 4F-134 104.5 2893/3093 7.00x15 5 x 5.5 F-Head 3 1/8 x 4 3/8 134 7.40 72 @ 4000 114 @ 2000 35 J8 .030 .020 42 1342 5° -12
Station Wagon 6 4x4 226 104 2859/3057 6.70x15 5 x 5.5 In Block 3 5/16 x 4 3/8 226 7.30 115 @ 3650 190 @ 1800 35 J8 .030 .020 39 153624 4° -12
Station Wagon 6 226 104 3008/3206 7.00x15 5 x 5.5 In Block 3 5/16 x 4 3/8 226 7.30 115 @ 3650 190 @ 1800 35 J8 .030 .020 39 153624 4° -12
1959 10,576 Jeep 4 CJ-3B 80 2132/2132 6.00x16 5 x 5.5 F-Head 3 1/8 x 4 3/8 134 6.90 72 @ 4000 114 @ 2000 35 J8 .030 .020 42 1342 5° -12
Jeep 4 CJ-5 81 2163/2163 6.00x16 5 x 5.5 F-Head 3 1/8 x 4 3/8 134 6.90 72 @ 4000 114 @ 2000 35 J8 .030 .020 42 1342 5° -12
Jeep 4 CJ-6 101 2225/2225 6.00x16 5 x 5.5 F-Head 3 1/8 x 4 3/8 134 6.90 72 @ 4000 114 @ 2000 35 J8 .030 .020 42 1342 5° -12
Jeep 4 DJ-3A 80 1769/2004 6.50x15 5 x 5.5 In Block 3 1/8 x 4 3/8 134 6.48 60 @ 4000 105 @ 2000 35 J8 .030 .020 42 1342 5° -12
11,920 Station Wagon 6 226 104 2859/3057 6.70x15 5 x 5.5 In Block 3 5/16 x 4 3/8 226 7.30 115 @ 3650 190 @ 1800 35 J8 .030 .020 39 153624 4° -12
Station Wagon 6 4x4 226 104.5 3008/3206 7.00x15 5 x 5.5 In Block 3 5/16 x 4 3/8 226 7.30 115 @ 3650 190 @ 1800 35 J8 .030 .020 39 153624 4° -12

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G. McDowell
carnut@carnut.com
est. 1996