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Premium Member
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Area of the bore (pi x radius squared) x stroke x 6
 

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Fuhgeddaboudit
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18,613 Posts
I don't know your motor so here is a general one.

CID = N x 0.7854 x bore x bore x stroke (all in inches)

Example: What is CID of a V8 with a “30 over”, 4 inch bore and 3.48 inch stroke?

CID = 8 x 0.7854 x 4.030 x 4.030 x 3.48 = 355 cu. inches
 
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