Re: Cylinder Head Swap - Saab Performance Bulletin Board - Saabnet.com
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Re: Cylinder Head Swap
Posted by Vince T [Email] (more from Vince T) on Thu, 30 May 2002 15:07:36
In Reply to: Cylinder Head Swap, Mark in Ireland, Thu, 30 May 2002 05:36:25
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Stephen's right, I've done the mod. I got the idea from some Swedish contacts.
Acquiring the right head is a must. The 2.3 MUST be from a 91-93 9000, though I think Europe may have gotten the 2.3 one year before North America did. It must be within this vintage because in '94, the 2.3 block was shortened to enable it to fit into the NG900.
With flowbenched port and polish, I gained 29 CFM of flow on the intake side. Forget how much on the exhaust side. Note, that this 29 CFM gain is on top of whatever I may have gained by installing 2mm larger intake and exhaust valves.
I now sheepisly say that my top end cost as much as the bottom end. My next performance car will be a rotary! :)
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