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-   -   S2 head specs FSM wrong? (http://forums.pelicanparts.com/porsche-924-944-968-technical-forum/734954-s2-head-specs-fsm-wrong.html)

alfadoc 02-19-2013 10:57 AM
S2 head specs FSM wrong?
 
I have an S2 head in the machine shop. The FSM states the new thickness is 147mm, and minimum after machining is 146.6mm. This is listed for both the S and S2. My head is measuring 149.8mm. I suspect that the head thickness was changed for the S2, but not documented correctly in the FSM. Can anyone shed light on this?

mueller944s2 02-19-2013 11:04 AM
what are you having done?

alfadoc 02-19-2013 11:14 AM
Quote:
Originally Posted by mueller944s2 (Post 7282985)
what are you having done?
Valve job. The head needs a light resurfacing. It's nice to know if you are starting with a virgin casting or not.

Techno Duck 02-19-2013 02:10 PM
Are you sure your measuring from the correct spot? Sounds like you might be measuring from sealing surface for the cam cover, you need to measure from the boss for the bolt.

http://img.photobucket.com/albums/v1...ps8b3b1e84.jpg

alfadoc 02-19-2013 02:17 PM
Quote:
Originally Posted by Techno Duck (Post 7283297)
Are you sure your measuring from the correct spot? Sounds like you might be measuring from sealing surface for the cam cover, you need to measure from the boss for the bolt.
Techno, you are a prince among Porschephiles. That solves the mystery. The online version of the FSM I was looking at omitted the photograph, and it's easy to miss just looking at the line drawing. (My FSM is at home, I'm at work)
Thanks!

callmethewander 02-20-2013 02:18 PM
+1 for techno


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