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944 Turbo Cylinder Heads

 
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thedealer8  



Joined: 18 Nov 2009
Posts: 8
Location: Greensboro, NC

PostPosted: Thu Dec 17, 2009 6:50 am    Post subject: 944 Turbo Cylinder Heads Reply with quote

I need to replace the cylinder heads on my 924S and I have access to a free 944 turbo head. Would there be any benefits or downsides to replacing the heads on my 924S with one from a 944 turbo? I know the exhaust ports are ceramic lined on the turbo heads. What I don't know is if the ceramic lining reduced the diameter of the ports and would hinder exhaust flow. I doubt there would be much is any benefits. Are there any other differences in the turbo heads?
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1987 Porsche 924 S
2003 Toyota 4Runner Sport
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ic932  



Joined: 11 Feb 2005
Posts: 1104
Location: UK

PostPosted: Thu Dec 17, 2009 7:07 am    Post subject: Reply with quote

I would'nt think there would be any gains at all, and no losses either. A head designed for a turbo application (PORSCHE!) will flow better by nature..I assume. I've heard that the ceramic coating hinders P&P? But those that say this kind of thing also talk about sending their car to "their mechanics" to have the spark plugs changed...Rennlist ect..?

I'm presuming the 951 head is a direct bolt-on replacement? I think it is but.... Chrenan is a active member here an also has a 951...
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