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Location: CT
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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?
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Tom Butler 1973 RSR Clone 1970 911E 914-6 GT Recreation in Process |
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Are they black in color?
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Here's pics.
Not black....But clearly factory marked as "S". Must be something different between these and standard 2.0 rods. ![]() ![]()
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Tom Butler 1973 RSR Clone 1970 911E 914-6 GT Recreation in Process |
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Tom
Those are the "S" rods. I have seen them in different shades from black to about what you have pictured there.
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Aaron. ![]() Burnham Performance https://www.instagram.com/burnhamperformance/ |
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Mark S
Join Date: Jun 2004
Location: New Mexico
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Yes, only early 2-2.4 liter S were nitrated. My guess someone other than factory marked them with white S.
Last edited by Shoepop; 10-03-2008 at 07:27 PM.. Reason: add info |
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The white "S" marking is a factory marking usually found on the 2.0 S rods.
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Aaron. ![]() Burnham Performance https://www.instagram.com/burnhamperformance/ |
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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.
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Tom Butler 1973 RSR Clone 1970 911E 914-6 GT Recreation in Process |
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Mark S
Join Date: Jun 2004
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No
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