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Old 11-13-2015, 02:00 PM   #1
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how to turn head bolt 60 degrees ???

Hi,
Have I found a way or have I lost the plot. Bear with me...

60 degrees is a 6th of 360 degrees. A circle,
The head bolt is a torx which has 6 points,

So if I mark one of the point lines then turn the bolt untill the next torx point lines up with the mark then the bolt has moved 60 degrees. ?

the engine is in the car and I have a new head ready to fit but not much room.

cheers
barks

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Old 11-13-2015, 03:57 PM   #2
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A nice point from a geometric standpoint but it will be hard to accurately execute. That 60 degree swing needs to be made in one continuous movement because sliding friction and static friction are so different. To do this, print out two lines forming a 60 degree angle on an 8 1/2 by11 sheet of paper. Punch out the intersection point of the angle with a hole big enough to get your socket through. Put the socket on the bolt and rotate the paper so the appropriate line on the paper under the handle of the wrench. Tape the edges of the paper to the work piece so it stays fixed in position. In one movement, tighten the bolt until the handle of the wrench is over the second line. The longer the lines are, the easier this is to do accurately. Go for long lines
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Old 11-13-2015, 05:09 PM   #3
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You need to use a torque angle meter.
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Old 11-13-2015, 06:10 PM   #4
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Quote:
Originally Posted by JFP in PA View Post
You need to use a torque angle meter.
+1 and 10 characters

I have this one from Summit Racing

http://www.summitracing.com/parts/wmr-m205

Last edited by 911monty; 11-13-2015 at 06:21 PM. Reason: add link
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Old 11-14-2015, 03:54 PM   #5
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Thanks all,
Made a cardboard one in the end.
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