ddc.gif - 10,00 K

    Stroke:

    Bore:

    Displacement:
    cubic inches

    Displacement:
    cubic centimetres

    (Last updated 25-10-98)

Select the stroke and bore of your engine
and then press the calculate button

As a guideline:

K P S E
Stock 74ci stroke: 3 31/32" * * *  
Stock 80ci stroke: 4 1/4" * * * *
Stock 74ci bore: 3 7/16" * * *  
Stock 80ci bore: 3 1/2" * * * *
Big Bore 3 5/8" * * * *
Sputhe Big Bore 3.780"       *
S&S Big Bore 4"       *
Harmon Big Bore 4 1/4"     *  
Keck Big Bore 4 1/4"       *
K=Knuckle, P=Pan etc...