My 960 Progress

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Old 09-30-2010, 12:28 AM
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Default My 960 Progress

well just got the new head gasket and reinstalled the head tonight. http://picasaweb.google.com/maarlen/...eat=directlink

The one pic in there with the cover one was just to see how it was gonna look when it was done i couldn't resist
 
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Old 09-30-2010, 01:10 PM
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Not a bad car for 600$ lol tell me what u think and any power mods I can make at this point
 

Last edited by 91shelby; 09-30-2010 at 04:26 PM.
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Old 09-30-2010, 01:43 PM
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What HG is that, and please don't tell me you copper coated an OEM HG :sigh
 
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Old 09-30-2010, 04:26 PM
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What's wrong with that? It's just a light coating
 
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Old 09-30-2010, 04:34 PM
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Here's a link to the pictures of my engine HG job BECAUSE somebody copper sprayed an OEM-type HG:

http://smg.photobucket.com/albums/v77/kendogg441/Volvo/

And that doesn't look like a light coating at ALL. You can't see anything BUT the copper spray.

The copper spray is for MLS-type gaskets. it doesn't allow the RTV lines on an OEM-type gasket to seal properly. What happened with my engine is that the PO attempted to copper spray a stock gasket, and in doing so, coolant and oil passage weren't sealing and they were mixing. As it would warm up, the cooling system would pressurize and force coolant out of the water passages, and it would drain down the oil return holes from the head. As it filled the crankcase, it would create pressure, and force itself into the PCV system, going thru the intake manifold, and burning coolant/oil. Combustion chambers sealed fine, since they have metal crush rings in the gasket to seal them with.
 
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Old 10-11-2010, 05:00 PM
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It was a light coating only say 2 passes on either side, will it still be an issue? or should i get a new gasket and headbolts and do it again.....
 
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Old 10-11-2010, 10:02 PM
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It's done. If you have the car running, go with it. If you have not put it together, redo it while it's apart.
 
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Old 10-11-2010, 11:03 PM
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well the head is already back on and new head bolts tightened to spec
 
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Old 10-12-2010, 08:19 AM
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If you haven't put the cams or fluids in yet, it might not be a bad idea to yank it and do it again. Up to you really. I guess at this point you can wait and see what it does.
 
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Old 10-12-2010, 09:45 PM
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I would back up and do it again at this point. If you haven't turned the key and started the thing. Where you are now, you will likely never have to see that part of your motor again, if you do it right. If you make a mistake, you may be looking down that hole in about 6 months.
 
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Old 10-13-2010, 07:03 PM
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I guess another 70$ is better then having to pull it again after it'd be back to together just sucks I wasted 70$ lol
 
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Old 10-14-2010, 12:57 AM
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i presume i'd have to get new head bolts again right
 
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Old 10-14-2010, 08:31 AM
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Right
 
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Old 10-14-2010, 09:35 AM
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Originally Posted by 91shelby
i presume i'd have to get new head bolts again right
While it is recommended to replace the head bolts, I would risk using the new ones you have, again. My green Volvo rebuild manual has a statement about reuse, and it is based solely on the overall length or stretch of the bolt.

Since these bolts were never put under stress of on/off cycles of a running engine, I doubt very much that you will have any problems with them, especially if you oiled them and chased out the block to clean the threads.

I have re-used the bolts on mine a couple of times.

As to the torque sequence there is also a recommendation to reduce the final torque angle, something I never have done, I went by the book every time. I will state though, my manual when bought new, came with a set of labels for corrections and one of them was a reduction of the torque values for the head to block bolts. The current recommendation is in addition to that already corrected manual label.

DanR
 

Last edited by dan550i; 10-14-2010 at 09:38 AM.
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