Figuring the Compression ration after a turbo/supercharger is added

thosfsull · #1 (**permalink**) 09-19-2008, 11:20 PM

How do you figure the "new" modified compression ratio of a motor/engine after a turbo or supercharger is added to it? Example if I had 9 to 1 from the motor and added a device at boost of x gives me what figure?

Any and all help would be appreciated. I am just trying to learn how this works theoretically.

Thanks!

Kuskoal · #2 (**permalink**) 09-20-2008, 01:10 PM

if you go to the bds website and look under the "tech" link it will have a chart that will give you a rough estimate how much boost will affect your engine

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thosfsull · #3 (**permalink**) 09-21-2008, 06:08 PM

Thank you!