 
					|   | 
 | 
 | 
| 
 | 
| Registered | 
				
				Technical measures - cylinder headstuds
			 
			Hi Guys  I need som help with technical measures. I want to make a drilling fixture for repairing the head stud thread. The case is a 7R magnesium from a 2,7 liter engine. Does anyone know the exact measures/specifications of placement and distances between the headstuds + cross measures? I have attached a picture - basically I need the distances marked with red lines. All measures from center of hole   Thanks and have a great new year Søren   
				__________________ My 69E project ... http://www.youtube.com/user/ditster666 | ||
|  12-31-2021, 05:12 AM | 
 | 
| Registered Join Date: May 2004 Location: Boulder, Colorado 
					Posts: 7,275
				 | 
			80mm x 80mm.  They form a square.
		 | ||
|  01-01-2022, 01:58 PM | 
 | 
| Moderator | 
			
correct for all the engine cases up thru the '75 2.7s, and the '76-77 2.7s but for the '76 thru '89 3.0 & 3.2 it's 86mm
		 
				__________________ Bill Verburg '76 Carrera 3.6RS(nee C3/hotrod), '95 993RS/CS(clone) | Pelican Home |Rennlist Wheels |Rennlist Brakes | | ||
|  01-02-2022, 09:49 AM | 
 | 
| Registered Join Date: May 2004 Location: Boulder, Colorado 
					Posts: 7,275
				 | 
			And then there was a race engine with something in between - 83mm?  Must be very scarce. However, the engine mentioned is a 2.7 7R, and the photo must be just for illustration, as it is a 1R. | ||
|  01-02-2022, 03:32 PM | 
 | 
| Dashman0 | 
			You can put a stud in each hole. Then measure from the inside of one to the outside of the other. This will give you the center to center measurement. | ||
|  01-04-2022, 07:08 PM | 
 |