Willys Engines

DesignationNameTypeCylindersDisplacementHorsepowerUsed
L4-134
'Go Devil' L-head
"flathead"
4134.2 cu.in. 601946-1950
L6-148
 
'Lightning' L-head
"flathead"
6148.4 cu.in. 701948 Jeepsters
L6-161
 
'Lightning' L-head
"flathead"
6161.1 cu.in. 751950
F4-134
(more)
'Hurricane' F-head 4134.2 cu.in. 721950-1962
F6-161
 
'Hurricane' F-head 6161.1 cu.in. 901952
L6-226
(more)
'Super Hurricane'
'Supersonic'
L-head
"flathead"
6226.2 cu.in. 1151954-1963
OHC 6-230
 
'Tornado' overhead cam 6230.5 cu.in. 1401962-1965

Note: I can't be sure this information is correct (I have seen other HP ratings), but it is the best I have found.
     Rick

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© Richard B. Grover 1997 to 2006. Last updated: Friday, February 15, 2002