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-   -   Divilar Studs on a 911 2.7 MY1977 (http://forums.pelicanparts.com/911-engine-rebuilding-forum/358820-divilar-studs-911-2-7-my1977.html)

HKZ Bob 07-25-2007 10:10 AM
Divilar Studs on a 911 2.7 MY1977
 
Hello folks,
what was the original head bolt setup on a 1977 2.7 7R case.

12 piece 911 101 172 00 upper studs
12 piece 930 101 170 00 lower divilar studs

Who can confirm this data out of the PET.

Regards

bob

MBEngineering 07-25-2007 12:58 PM
HI try hear

http://www.pelicanparts.com/PartsLookup/HTML/911_USA_74_77_KATALOG/101-05-Frame3.htm

Pelican has it covered with there PET system

regards mike

Steve@Rennsport 07-25-2007 01:49 PM
Bob:

2.7's (and prior) all had plain steel studs, top & bottom.

Its a VERY durable setup as long as the case has been properly prepared and you keep strict control of oil temperatures

Eagledriver 07-25-2007 04:24 PM
According to Bruce Anderson's 911 performance handbook the 77 engines had dilivar lower studs. This was the first year for these.

-Andy

HKZ Bob 07-26-2007 12:04 PM
Steve & Andy how can I figure out if I have divilar studs in my case ore not ?

MBEngineering 07-26-2007 12:40 PM
HI use a magnet on the studs , steel yes, dilivar no, after market no/maybe.

regards mike


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