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-   -   Cam Timing 73.5 CIS Stock Rebuild (http://forums.pelicanparts.com/911-engine-rebuilding-forum/893642-cam-timing-73-5-cis-stock-rebuild.html)

ahklein 12-03-2015 05:54 PM
Cam Timing 73.5 CIS Stock Rebuild
 
Can someone help with the valve overlap needed for my 73.5 CIS stock rebuild?

Thanks!

ahklein 12-05-2015 11:48 AM
Thanks to Henry Schmidt at Supertec Performance, the answer is 0.9-1.1mm. He knew the answer right off the top of his head, but verified it.



Thank you!!

boyt911sc 12-05-2015 01:05 PM
Stock camshafts specifications......
 
Quote:
Originally Posted by ahklein (Post 8902861)
Can someone help with the valve overlap needed for my 73.5 CIS stock rebuild?

Thanks!


ahklein,

The stock camshafts specification is well documented in Wayne Dempesey's 911 engine rebuild book. All you have to do is open the book on page #207 and refer to 1973 1/2 CIS camshaft. Hope you have Wayne's book as reference. And if you don't have one, time to get one for X'mas.

Tony


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