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-   -   S90 or SC heads? (http://forums.pelicanparts.com/showthread.php?t=522391)

retro356 01-20-2010 01:41 PM
S90 or SC heads?
 
How can I tell which these are? Without removing valves to mic. Any numbers? I want to sell them, but need to know what they are?

Thanks,

Stephen Retrotech: Classic and vintage Porsche cars, accessories and Porsche parts

callard 01-20-2010 02:39 PM
Super 90 heads are black anodized.
Chuck

retro356 01-20-2010 02:47 PM
so are some SC heads. They are Black

callard 01-27-2010 09:51 AM
If you can compress an intake valve spring on the car, look at a keeper. S90 are smooth inside and SC should have ridges.

retro356 01-27-2010 09:54 AM
They are for sale on E Bay.

356RS 01-28-2010 02:33 PM
Like Chuck said about the keeper area. And since you go that far, look at the valve number at the top. Should be marked #3041, which is the 40mm S-90 intake.


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