Chris - As I was ordering my 331 kit, I was screwing around with numbers trying to figure out how to calculate the volume of a cylinder when I remembered the following formula for volume (regardless of block type
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Formula for volume of a cylinder = Pi x Diameter x Height
Your calculation is pretty close say for a '306'
Yours = 4.030^2 x 3.00 x .7853982 x 8 = 306.133767
Mine = 4.060 x 3.00 x Pi x 8 = 306.1167882
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