Re: difference in compression ratios - Saab 900 Bulletin Board - Saabnet.com
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Re: difference in compression ratios
Posted by SWEDISH DYNAMICS [Email] (more from SWEDISH DYNAMICS) on Thu, 10 Nov 2005 14:15:18
In Reply to: difference in compression ratios, Jean-Philippe Désiron, Thu, 10 Nov 2005 12:10:59
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Jean-Philippe,
Hope all's well!
The only difference between the NA and turbo B202 engine mechanicals would be piston and camshafts. The NA 900 engine will be at 10:1 compression ratio (rather than the 9:1 CR of turbo)which should not cause issues under modest charge pressures to 10-11 psi when using premium fuel (92+ octane).
Cylinder head specifications are identical between turbo and NA B202.
Best of luck and regards,
Gary K at SWEDISH DYNAMICS,INC.
SAAB PERFORMANCE PARTS
http://swedishdynamics.saabnet.com
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