Discovery II Talk about the Land Rover Discovery II within.
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Old Nov 11, 2012 | 08:34 PM
  #11  
0304Disco's Avatar
Winching
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You said you shot the wires, do you mean you trouble shot the wires and verify you have spark at each wire? I work in aviation also, curious what AC you work on?
 
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Old Nov 12, 2012 | 06:43 AM
  #12  
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Overlanding
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I verified voltage. As for spark, after I shocked myself and there were no codes, I quit. I'm going to pull the plugs and check what the oil is in those 3 back pistons (see pics on page 1). I've gotta have my Rover back. Oh, and I'm in the Air Force. I work on KC-135s now, a Boeing 707 variant I believe?
 
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Old Nov 12, 2012 | 11:25 AM
  #13  
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Sooo.... The worst of my fears have become true. This is the plug from the passenger's side, rear-most cylinder.Put on your thinking caps...-spark-plug.jpg

It was chrome/silver and clean when I installed it during my rebuild less than 3 months ago. It would appear that I have an internal oil leak. Could someone re-affirm this before I tear the engine out, again.

On a side note, I used ARP studs and the composite seal kit from Lucky8. There is no torque value given with these new studs. I used the standard torque value in the manual plus the 90, 90. I only got through the first 85 deg before it started stripping out the head though... just a note.
 
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Old Nov 13, 2012 | 12:20 PM
  #14  
0304Disco's Avatar
Winching
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Originally Posted by jjccphillips
Sooo.... The worst of my fears have become true. This is the plug from the passenger's side, rear-most cylinder.Attachment 12534

It was chrome/silver and clean when I installed it during my rebuild less than 3 months ago. It would appear that I have an internal oil leak. Could someone re-affirm this before I tear the engine out, again.

On a side note, I used ARP studs and the composite seal kit from Lucky8. There is no torque value given with these new studs. I used the standard torque value in the manual plus the 90, 90. I only got through the first 85 deg before it started stripping out the head though... just a note.
Oh no!! As I'm sure your aware, the factory bolts actually stretch. Your ARP bolts do not stretch and for this reason they have a much lower torque value. Not sure what 180 degrees is in torqure but the factory bolts are not the easiest to turn on the last 90 degrees so I would guess the torque is in the 100 ft/pound range.

Which threads on your block did you damaged? Did you repair these damaged threads. The threads on the RH #8 Cyl would not have been the first in sequence to torque. Now knowing that you have APR studs, I would say that your torque is probably to low if you just went to 85 degrees. I would have contacted ARP if I had any questions on the torque. Why don't you give them a call and maybe you could get by with re-torquing to the correct value.

Good Luck
 

Last edited by 0304Disco; Nov 13, 2012 at 12:24 PM.
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