not really EFI-related, regarding compression

[Barrett Flowers]

That will come in handy, thanks. Just one question about it though,
where/how do you plug in the cylinder head gasket thickness, such as
.039 in my case? Add it to the stroke?
Thanks.

> D  = Displacement of cylinder = stroke * bore * bore * Pi / 4 = total
> displacement of engine / number of cylinders
> 
> Pi = 3.1415926536 (approximately)
> 
> V  = Volume of combustion chamber
> 
> CR = Compression Ratio
> 
> CR = (D + V) / V = D / V + 1
> 
> If you don't know the combustion chamber volume, but you know the
> compression ration and displacement rearrange the above equation to yield
> the following:
> 
> V = D / (CR - 1)

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