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Old 08-15-2002, 09:56 AM
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Post what will my engine be at .060 over

hey guys me again i dont mean to sound stupid but i know that with my 400 sbc bored .030 over with a 350 crank and rods it will be a 377 stroker but since i had to go .060 on the bore what will it be now does anyone know thanks for the help

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Old 08-15-2002, 12:37 PM
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new bore divided by 2 squared x 3.14 x stroke x 8 = cu inches pie r squared = area (however most pies r round) x stroke = volume x number of cylinders
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Old 08-15-2002, 01:27 PM
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uuuummmmm ok im from arkansas lets start with some simple stuff ok lol us rednecks r slow sometimes lol but thanks for the answer
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Old 08-15-2002, 02:16 PM
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Say the new bore is 3.9" (which is the diameter of the cylinder) divid by 2 to get the radius = 1.95" Multiply that by itself (or square it)= 3.8 Multiply by pi (3.14) to give the area = 11.94 sq inches. Say you have a stroke of 4.125" 11.94 x 4.125 = 49.25 cubic inches per cylinder. Now you have 8 cylinders so 49.25 x 8 = 394.02 cubic inches.

I guess Pi r round is a pretty old joke so I should not have expected you to get it.
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Old 08-15-2002, 06:21 PM
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yep got to go easy on us rednecks but anyway i got it now and i thank you for the help
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Old 08-15-2002, 06:33 PM
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piston R round 2
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Old 08-15-2002, 06:37 PM
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Mertz, I'm writing that one down! thanks for the step by step!
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Old 08-16-2002, 07:46 AM
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I knew carrying that slide rule around in high school would get me somewhere oneday. If you have the volume of the cylinder head you can add that in and be more accurate.
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