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-   -   2.0S Nitrided rods (http://forums.pelicanparts.com/911-engine-rebuilding-forum/433722-2-0s-nitrided-rods.html)

tom1394racing 10-03-2008 11:07 AM
2.0S Nitrided rods
 
I just pulled apart a 69S long block. The connecting rods have a large "S" that appears to have been written with a white permanent marker.

Are these the special nitrided early S rods?

304065 10-03-2008 12:31 PM
Are they black in color?

tom1394racing 10-03-2008 04:16 PM
Here's pics.

Not black....But clearly factory marked as "S".

Must be something different between these and standard 2.0 rods.

http://forums.pelicanparts.com/uploa...1223079271.jpg

http://forums.pelicanparts.com/uploa...1223079327.jpg

BURN-BROS 10-03-2008 06:22 PM
Tom

Those are the "S" rods. I have seen them in different shades from black to about what you have pictured there.

Shoepop 10-03-2008 07:27 PM
Quote:
Originally Posted by tom1394racing (Post 4216972)
Are these the special nitrided early S rods?
Yes, only early 2-2.4 liter S were nitrated. My guess someone other than factory marked them with white S.

BURN-BROS 10-04-2008 06:39 AM
Quote:
Originally Posted by Shoepop (Post 4217935)
My guess someone other than factory marked them with white S.
The white "S" marking is a factory marking usually found on the 2.0 S rods.

tom1394racing 10-05-2008 11:46 AM
Somewhere I saw reference to "the special 2.0S nitrided crank".

Is there a difference between the 2.0S crank and the standard 66 mm CW crank?

I thought Porsche had all their cranks nitrided.

Shoepop 10-06-2008 07:27 PM
Quote:
Originally Posted by tom1394racing (Post 4220151)
Is there a difference between the 2.0S crank and the standard 66 mm CW crank?
No


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