Piston volume stock style 403 pistons

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Old October 31st, 2015, 12:37 PM
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Piston volume stock style 403 pistons

How to calculate Piston volume in ccm from the pistons below

Recessed piston head is 0.150 inch deep x 3.250 inch diameter.
http://www.summitracing.com/int/part...np30/overview/
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Old October 31st, 2015, 03:08 PM
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It's the calculation of the volume of a cylinder. Google is your friend here.

Just use this calculator, but you will need to use the radius (diameter divided by 2):

https://www.google.com/search?q=volu...utf-8&oe=utf-8

Then convert cubic inches to cubic centimeters:
https://www.google.com/search?q=cu+i...utf-8&oe=utf-8

Last edited by Fun71; October 31st, 2015 at 03:11 PM.
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Old November 2nd, 2015, 05:31 PM
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Originally Posted by STLCRZY
How to calculate Piston volume in ccm from the pistons below

Recessed piston head is 0.150 inch deep x 3.250 inch diameter.
http://www.summitracing.com/int/part...np30/overview/

3.25x3.25x.150x12.87 will give you the cc's.
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Old November 3rd, 2015, 05:12 AM
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20.39 which very close to the factory dish. I have seen 20 and 21cc used as the factory spec, that falls right in between.
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Old November 5th, 2015, 10:57 AM
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Wink

Thanks
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